Write the equation for the line graphed below.
2 answers:
y=ax+b
(-2; -2); (0;-1); <em>(2; 0)</em>
-1=a*0+b => b=-1
<em>0</em>=a*<em>2</em>+b
0=a*2-1
a*2=1 => a=1/2
y=x/2 -1
Answer:
y = 1/2x -1
Step-by-step explanation:
to find the y-intercept you find where the line crosses the y axis
for the slope you need to use the equation
change of y2 - change of y1
change of x2 - change of x1
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