Question

Write the direct variation of the equation if y varies directly with x and y = 45 when x = 9.
A. y = 5x
B. y = 1/5 x
C. y = -5x
D. y = -1/5 x


Write the point-slope equation of the line through (-2, 1) with a slope of 3.
A. y - 1 = 3(x + 2)
B. y - 2 = 3(x + 1)
C. y + 2 = 3(x - 1)

Write the slope-intercept form of the equation of the line parallel to y = 5x + 2 which passes through the point (4, 9).
A. y = 5x - 11
B. y = -5x + 9
C. y = -(1/5)x - 11

Answer 1

A, A, A