Question

Type an equation for the

following pattern.
x
1 -2
2
4
3
-6
y=[? ]x+[ ]
4
-8
S
- 10

Answer 1

y=-2x

Explanation:

first find the slope: (-2-(-4))/(1-2)=2/-1=-2 so m=-2

now we have y=-2x+b, to find b we plug in any of the points

• -2=-2(1)+b
• -2=-2+b
• b=0

so the equation is y=-2x