Linear Equations

What is the equation in slope-intercept form of the line that passes through the points (-4,2) and (12, 6)?

Mathematical Equivalence

ON

• 9x - 2y = 36

• 9x - 2y = 26

• 9x - 2y = -40

• 9x - 2y = -10

• x - 4y = 36

• x - 4y = 28

• x - 4y = -36

• x - 4y = -28

The value of y varies directly with x. If x = 3, then y = 21. What is the value of x when y = 105?

a

b

x-intercept

y-intercept

The point (8,0) are examples of ​ (a)   ​ , (b)   , ​ (c)   ​, and (d)   .​

• roots
• zeros
• x-intercept
• solutions
• slope
• y-intercept
• y-axis

Suppose y varies directly as x. If y = -7 when x = -14, find x when y = 10.

• -5

• 3

• 9.8

• 20

Suppose y varies directly as x. If y = -4 when x = 32, find x when x = 64

The number of days worked varies directly as the amount earned. If a woman earns $805 for 7 days, how many days does she have to work to earn $1840?

• 16 days

• 10 days

• 20 days

• 13 days

Which statement best describes "m"?

• x- intercept

• y - intercept

• slope

• zero

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3