Question

do you remember how the graph of an equation is related to a solution set? revi
determine if the point (4, -8) lies on the line y = -2x - 1.
enter your response in the boxes.
first, substitute 　 for x and 　 for y.

Explanation:

Step1: Identify x,y from point

For point $(4, -8)$, $x=4$, $y=-8$

Step2: Substitute into line equation

Substitute $x=4$ into $y=-2x-1$:
$y=-2(4)-1=-8-1=-9$

Step3: Compare calculated and given y

Given $y=-8$, calculated $y=-9$; $-8
eq-9$

Answer:

First, substitute $\boldsymbol{4}$ for $x$ and $\boldsymbol{-8}$ for $y$.
The point $(4, -8)$ does NOT lie on the line $y=-2x-1$.