Question

use the graph to answer the following questions
a) what is the vertical intercept of the graph? write it as a point \(a, b)\.
the vertical intercept is
b) what is the horizontal intercept of the graph? write it as a point \(a,b)\.
the horizontal intercept is
c) what value of $x$ gives $y = 50$? $x=$
d) what value of $y$ gives $x=-10$? $y=$

Explanation:

Step1: Find vertical - intercept

The vertical intercept is the point where the graph crosses the y - axis. When $x = 0$, from the graph, $y=20$. So the vertical - intercept is the point $(0,20)$.

Step2: Find horizontal - intercept

The horizontal intercept is the point where the graph crosses the x - axis. When $y = 0$, from the graph, $x=- 10$. So the horizontal - intercept is the point $(-10,0)$.

Step3: Find $x$ when $y = 50$

Locate $y = 50$ on the y - axis and then find the corresponding $x$ value on the graph. The line appears to cross $y = 50$ at $x = 15$.

Step4: Find $y$ when $x=-10$

Locate $x=-10$ on the x - axis and then find the corresponding $y$ value on the graph. When $x=-10$, $y = 0$.

Answer:

a) $(0,20)$
b) $(-10,0)$
c) $15$
d) $0$