QUESTION IMAGE
Question
irections: complete each table, then graph. ( y = 2x )
| ( x ) | ( y ) |
| -5 | |
| -3 | |
| -1 | |
| 2 | |
| 4 |
(and a coordinate grid graph)
Step1: Substitute $x=-5$ into $y=2x$
$y=2\times(-5)=-10$
Step2: Substitute $x=-3$ into $y=2x$
$y=2\times(-3)=-6$
Step3: Substitute $x=-1$ into $y=2x$
$y=2\times(-1)=-2$
Step4: Substitute $x=2$ into $y=2x$
$y=2\times2=4$
Step5: Substitute $x=4$ into $y=2x$
$y=2\times4=8$
Step6: Plot points and draw line
Plot $(-5,-10), (-3,-6), (-1,-2), (2,4), (4,8)$ on the coordinate grid, then draw a straight line through them.
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Completed table:
| $x$ | $y$ |
|---|---|
| -3 | -6 |
| -1 | -2 |
| 2 | 4 |
| 4 | 8 |
The graph is a straight line passing through the plotted points above, passing through the origin with a slope of 2.