几何
三角形、圆、解析几何与证明题。
-
look at this graph: what is the y-intercept?
$0$
-
wednesday reading log book level: pages read today: 100 to 120 book tit…
- Reaction: Circled thumbs-up emoji (👍) - Summary: First, Greg Heffley panics when he thinks he’ll be stuck doing a school project with the odd new kid Fregley. Then, he tries to…
-
look at this graph: what are the coordinates of the vertex?
$(0, -1)$
-
look at this graph: what are the coordinates of the vertex?
$(0, -1)$
-
look at this graph: what are the coordinates of the vertex?
$(-3, 0)$
-
question 5 of 15 what is the length of the midsegment of this trapezoid…
4.5
-
look at this graphic: what are the coordinates of the vertex?
$(0, 10)$
-
which angles are supplementary to each other? select all that apply. $\…
- $\angle ECF$ and $\angle BEC$ - $\angle AEB$ and $\angle DEA$ - $\angle GCH$ and $\angle AEB$
-
in isosceles trapezoid abcd below, $angle abc$ measures $2(x - 10)$ , a…
$x = 40$ $m\angle DAB = 60^\circ$ $m\angle ABC = 60^\circ$
-
question 1-1 in parallelogram abcd, $\\angle a =$ $\\overline{ab} =$
$\angle A = 115^\circ$, $\overline{AB}=12$
-
day 4 1. true or false? this shape is a quadrilateral. 2. draw a triang…
1. True 2. (Draw a triangle where all three sides are different lengths, and all angles are either less than 90° or one angle is greater than 90° but not equal to 90°) 3. Circle t…
-
a) calculate the measure of $x$ in each. where necessary, round you ans…
1. $15$ 2. $26$ 3. $\approx 7.6$ 4. $8$ 5. $\approx 23.2$ 6. $\approx 1.4$ 7. $\approx 19.4$ 8. $18$ 9. $x \approx 10.3$, $y \approx 5.8$
-
day 1 1. $438 + 248 = $ 2. round each number to the nearest 10. subtrac…
1. 686 2. 570 3. $\frac{1}{8}$ 4. A rectangle divided into 8 equal parts, each labeled $\frac{1}{8}$ (visual: 8 identical vertical/horizontal sections with the fraction label on e…
-
unit review revisit the what do i already know? page and complete the a…
1. converse 2. Pythagorean Theorem 3. legs 4. corresponding angles 5. hypotenuse 6. square root 7. transversal
-
day 3 read the passage aloud, pausing after each sentence. circle four …
1. delight 2. Then 3. all 4. friend
-
applying the pythagorean theorem use the pythagorean theorem to help yo…
1. 28 yd 2. 1260 calories 3. 282.8 ft 4. 15.2 ft 5. 21 inches 6. 400 units²
-
day 2 circle the correct subordinating or coordinating conjunction. 1. …
1. nor 2. if 3. for 4. since
-
or raking leaves!day 1a lot of people would agree that nothing tastes a…
1. The opinion words/phrases: "A lot of people would agree that nothing tastes as good on pancakes or waffles as maple syrup" 2. Two factual sentences: - Maple syrup comes from th…
-
2b now plot point $a$, a reflection of point $a$ across the $x$-axis.
Point $A'$ is located at coordinates $(4, -5)$ (plot this point on the grid at x=4, y=-5)
-
consider right triangle $\\triangle ghi$ below. which expressions repre…
A. $8.3 \cdot \sin(90^\circ - 75^\circ)$ C. $8 \cdot \tan(90^\circ - 75^\circ)$
-
$ac = \\square$ round your answer to the nearest hundredth.
$8.24$
-
$\\angle a = \\square ^\\circ$ round your answer to the nearest hundred…
$75.96$
-
in the right triangle shown, $m\\angle a = 30^{\\circ}$ and $bc = 6\\sq…
D. $6\sqrt{6}$
-
right triangles 1, 2, and 3 are given with all their angle measures and…
A. 2.2 units
-
$ab = square$ round your answer to the nearest hundredth. in right tria…
$7.83$
-
solve and graph the solution set on the number line. $-6|1-x| < -18$ se…
A. The solution set is $(-\infty, -2) \cup (4, \infty)$. (For the number line graph: Draw an open circle at -2 with an arrow pointing left, and an open circle at 4 with an arrow p…
-
noah tried to prove that $cos(\theta) = sin(\theta)$ using the followin…
A. Angles $\angle B$ and $\angle C$ are complementary, not congruent.
-
solve and graph the solution set on a number line. $2|2x - 1| + 4 > 14$…
A. The solution set is $(-\infty, -2) \cup (3, \infty)$. *(For the number line graph: Draw an open circle at $x=-2$ with an arrow pointing left, and an open circle at $x=3$ with a…
-
consider right triangle $\\triangle mno$ below. which expressions repre…
C. $\frac{4}{\sin(65^\circ)}$ D. $\frac{1.9}{\cos(65^\circ)}$
-
solve and graph the solution set on a number line. $left|2 - \frac{x}{2…
## Solution Set: $(-\infty,2)\cup(6,\infty)$ ## Correct Choices: A. The solution set is $(-\infty,2)\cup(6,\infty)$. (Type your answer in interval notation.) A. (The number line w…
-
which angles are supplementary to each other? select all that apply. $\…
- $\angle BFC$ and $\angle CFD$ - $\angle EFB$ and $\angle DFE$
-
bugs bunny was 42 meters below ground, digging his way toward albuquerq…
# Explicación: ## Paso1: Identificar triángulo rectángulo Tenemos un triángulo rectángulo donde: - Cateto opuesto al ángulo de elevación: $42$ m - Hipotenusa: $100$ m ## Paso2: Ap…
-
consider right triangle $\\triangle abc$ below. which expressions are e…
B. $\frac{\text{length of side adjacent to } \angle A}{\text{length of hypotenuse}}$ D. $\frac{AC}{AB}$
-
write the coordinates of the vertices after a rotation $180^\\circ$ clo…
$D'(-5, -1)$ $E'(-10, -1)$ $F'(-10, -9)$ $G'(-5, -9)$
-
write the coordinates of the vertices after a rotation $270^\\circ$ cou…
$S'(-5, 9)$ $T'(-5, 0)$ $U'(-2, 0)$ $V'(-2, 9)$
-
which graph represents the equation $12 = 3x + 4y$? a b c explain how y…
A (the graph with a downward-sloping line crossing the x-axis at (4,0) and y-axis at (0,3))
-
find the distance between each pair of points. 5. 6. 7. $k(2, 3), f(4, …
5. $5$ 6. $6\sqrt{2}$ 7. $\sqrt{5}$ 8. $\sqrt{17}$ 9. $6$ 10. $7$ 11. $13$ 12. $5\sqrt{2}$
-
use the number line to find each measure. 1. ln 2. jl 3. kn 4. mn
1. $LN = 7$ 2. $JL = 6$ 3. $KN = 11$ 4. $MN = 4$
-
topic 2: parallelograms 14. if ebcd is a parallelogram, eb = 16, ed = 2…
$BC=25$, $BD=32$, $FC=23$, $CD=16$ $\angle EDC=55^\circ$, $\angle EBD=67^\circ$, $\angle BEC=34^\circ$, $\angle DBC=55^\circ$ --- ### Problem 15
-
topic 2: parallelograms 14. if ebcd is a parallelogram, eb = 16, ed = 2…
$BC=25$, $m\angle EDC=55^\circ$ $BD=32$, $m\angle EBD=58^\circ$ $FC=23$, $m\angle BEC=98^\circ$ $CD=16$, $m\angle DBC=67^\circ$ --- ### Problem 15
-
in right triangle prt, $m\\angle p=90^{\\circ}$, altitude pq drawn to h…
$13.2$
-
in right triangle prt, $m\\angle p=90^{\\circ}$, altitude pq drawn to h…
13.2
-
describe the dilation in each function. then graph the function. 4. $y …
1. For $y=5x$: Vertical stretch by a factor of $5$ relative to the parent function $y=x$. The graph is a steep straight line passing through the origin. 2. For $y=\frac{1}{2}|x|$:…
-
classify $delta abc$ by its sides using the pythagorean theorem and its…
a. acute, e. scalene
-
select the correct answer. what is the value of x in the triangle? a. $…
A. $10\sqrt{2}$
-
drag the tiles to the boxes to form correct pairs. not all tiles will b…
$BD ightarrow 7$ $BC ightarrow 7\sqrt{2}$
-
a vector $a$ has magnitude 6 units and is in the direction of the + x-a…
12.0 units
-
determine whether the points x, y, and z can be the vertices of a trian…
This is an acute triangle. --- ### For Problem 2: X(-3,-1), Y(1,4), Z(5,-2)
-
in right triangle prt, $m\\angle p=90^{\\circ}$, altitude pq drawn to h…
13.2
-
in right triangle prt, $m\\angle p=90^{\\circ}$, altitude pq drawn to h…
13.2
-
in right triangle prt, m∠p=90°, altitude pq drawn to hypotenuse rt, rt=…
The length of $RQ$ is approximately $\boldsymbol{13.2}$
-
if $angle 8 cong angle 10$ and $angle 1 cong angle 7$, which describes …
Lines r and s and lines t and u must be parallel.
-
which lists all the lines that are parallel to line s?only line vonly l…
only line t and line v
-
parallel lines r and s are cut by two transversals, parallel lines t an…
Angle 2
-
what is the measure of angle 1? $86^circ$ $88^circ$ $90^circ$ $92^circ$
88° (Option: 88°)
-
parallel lines s and t are cut by a transversal r. which angles are cor…
$\angle3$ and $\angle7$
-
which of the following is the equation of a hyperbola with center at (0…
$\boldsymbol{\frac{x^2}{16}-\frac{y^2}{1}=1}$ (the second option)
-
parallel lines s and t are cut by a transversal r. which angles are alt…
$\boldsymbol{\angle 2 \text{ and } \angle 8}$
-
identify this conic section. $x^2 - 4x + y^2 - 4y + 4 = 12$○ hyperbola○…
circle
-
identify this conic section. $x^2 - y^2 = 16$ circle parabola hyperbola…
hyperbola
-
solve the inequality. graph the solution. $-3(5x - 1) > -57$ the soluti…
$x < 4$ *Graph note: On a number line, draw an open circle at 4, and shade all values to the left of 4.*
-
solve the inequality. graph the solution $-3(w + 5) + 9 < -24$ choose t…
H. <the number line graph with an open circle at 6 and an arrow pointing right to positive infinity>
-
identify this conic section. $xy = 25$ parabola ellipse hyperbola line …
hyperbola
-
identify this conic section. $x^{2}+y^{2}=25$ parabola circle hyperbola…
B. circle
-
$\\frac{x^2}{9}-\\frac{y^2}{4}=1$ the vertices of the hyperbola are $\\…
$(\pm 3, 0)$
-
$x=\\frac{1}{8}y^{2}$ the directrix of the parabola is ○ $y=-2$ ○ $x=-2…
B. $x=-2$
-
what is the scale factor the smaller rectangle to the larger rectangle?…
C. 2 units
-
2-56. for each triangle below, solve for the variable and answer the qu…
a. $x = 45^\circ$; $\triangle ABC$ is an isosceles acute triangle. b. $y = 142^\circ$; the figure is an isosceles acute triangle.
-
which is enough information to prove that $s\\parallel t$?$\\angle 1 \\…
$\boldsymbol{\angle 2 \cong \angle 8}$
-
15 a scale factor of 3.5 maps figure a onto figure b. figure a figure b…
17.5
-
13 danielle constructs a scale model of a building with a rectangular b…
D. 4,418
-
the diagram shows the length and width of a cell phone, and the length …
C. 2.99
-
cube root functions and equations the solid graph is a translation of $…
2 units right
-
using the following construction, how would you write the statement sho…
∠DBE ≅ ∠WYV
-
in progress check for understanding: constructing congruent angles not …
True
-
4. using the coordinate grid below, find the coordinates of the fourth …
$(2, 0)$
-
decide whether the pair of lines is parallel, perpendicular, or neither…
C. perpendicular.
-
decide whether the lines given are parallel, perpendicular, or neither.…
Parallel
-
if a line has slope $-\\frac{3}{8}$, then any line parallel to it has s…
Slope of parallel line: $-\frac{3}{8}$ Slope of perpendicular line: $\frac{8}{3}$
-
8) $y=\\frac{1}{3}x-3$ $y=-x+1$
The solution to the system is $(3, -2)$ To graph the lines: 1. For $y=\frac{1}{3}x - 3$: plot the y-intercept $(0, -3)$, then use slope $\frac{1}{3}$ (rise 1, run 3) to find anoth…
-
name the relationship between $angle a$ and $angle b$. select all that …
Adjacent
-
name the relationship between $angle a$ and $angle b$. select all that …
A. Adjacent
-
4. in $\triangle def$, $angle d cong angle f$. the measure of $angle d$…
$m\angle D = 72^\circ$, $m\angle E = 36^\circ$, $m\angle F = 72^\circ$ --- ### For Problem 5:
-
4. using the coordinate grid below, find the coordinates of the fourth …
$(2, 0)$ --- ### Problem 5
-
6) $y=-2x+2$ $y=-2x-2$
The two lines are parallel and never intersect, so the system has no solution. (Graph details: $y=-2x+2$ passes through $(0,2)$ and $(1,0)$; $y=-2x-2$ passes through $(0,-2)$ and …
-
find the value of $x$, $y$, and $z$ in the rhombus below. $(-y-5)^circ$…
$x = -10.6$, $y = -87$, $z = -37$
-
$\\tan \\theta = \\frac{3}{6}$
$26.6^\circ$
-
find the length of the third side. if necessary, round to the nearest t…
8.2
-
find the length of the three missing sides in the rhombus below. 94 $x$…
$x = 94$ $y = 94$ $z = 94$
-
answer attempt 1 out of 2
10
-
1. $y < \\frac{1}{2}x - 3$
1. Draw a dashed line connecting $(0, -3)$ and $(6, 0)$. 2. Shade the area below this dashed line.
-
find the length of the third side. if necessary, round to the nearest t…
15.7
-
find the length of the third side. if necessary, round to the nearest t…
10.3
-
find the length of the third side. if necessary, round to the nearest t…
15.8
-
remember for problems 12 and 13, solve for x. 12. $0.7(x+10)-4.7=6.5$ 1…
1. For problem 12: $x = 6$ 2. For problem 13: $x = 38.6$ 3. For problem 14: $\triangle TUV$ is **not similar** to $\triangle KML$. The only congruent angles are $\angle M = \angle…
-
find the length of the third side. if necessary, write in simplest radi…
5
-
find the length of the third side. if necessary, write in simples answe…
5
-
answer attempt 1 out of 2 submit answer
$\sqrt{65}$
-
find the length of the third side. if necessary, write in simplest radi…
10
-
lesson 8.10 reteach name graph inequalities you can graph the solutions…
1. (Graph: Open circle at 8, shade left of 8) 2. (Graph: Filled circle at 6, shade right of 6) 3. (Graph: Filled circle at 3, shade left of 3) 4. (Graph: Open circle at 3, shade r…