Question

complete the equation describing how x and y are related.

x	y
-2	-1
-1	3
0	7
1	11
2	15

$y = 4x + ?$

enter the number that belongs in the green box.
submit answer

Explanation:

Step1: Pick x=0, y=7 from table

We use the pair where $x=0$ to simplify calculation.

Step2: Substitute into y=4x+b

$7 = 4(0) + b$

Step3: Solve for b

$b = 7 - 0 = 7$

Answer:

7