Question

7. If the slope of a line is 2 and its y-intercept is 5, what is the equation of the line?

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MS
A. y = 5x + 2
B. x = 5y + 2
C. y = 2x + 5
D. x = 2y + 5

Answer 1

C. y = 2x + 5

Explanation:

The slope-intercept form of an equation of a line:

y = mx + b

m - slope

b - y-intercept

We have

m = 2, b = 5

Substitute:

y = 2x + 5