4-2 Writing Equations in Slope-Intercept Form
2
So, since A = c
, A = 128. The correct choice is B.
If
9?
x
Solve for x.
Substitute 8 for x in the expression.
Graph each equation.
y = 3x + 2
To graph the equation, plot the y-intercept (0, 2). Then move up 3 units and right 1 unit. Plot the point. Draw a line
through the two points.
y = 4x + 2
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To graph the equation, plot the y-intercept (0, 2). Then move down 4 units and right 1 unit. Plot the point. Draw a line
through the two points.