Algebra 2 Unit 2 Review

Write an equation in slope-intercept form of a line with slope = 1/2 and y-intercept -9.

• y = 1/2 x - 9
• y = -1/2 x - 9
• y = -9 - 1/2 x
• y = -9

Write an equation in standard form of a line through (3, 4) (2,5).

• x + y = -7
• -x - y = -7
• x + y = 7
• x = -1

What is the slope of a line that is perpendicular to the line 4y -2x = -6

• 1/2
• -1/2
• -2
• 2

Is the following set of ordered pairs a function?
(0, 3) (-4, 5) (2, -5) (4, 9)

• Yes
• No

Is the following equation a direct variation between x and y?  4x - 9y = -3

• Yes
• No

Y varies directly with x, what is the constant of variation?  7x - 2y = 0

• 2/7
• -2/7
• 7/2
• -7/2

Find the x intercept for the following equation.  
y = 4x - 8

• 2
• -2
• 1/4
• -1/4

Find the y intercept for the following equation.
5y = -3x - 10

• 2
• -2
• -10
• 10

Write an equation in point slope form of a line containing (-2, 0) and (4, -2).

• y = -2
• y - 4 = -1/3(x - 2)
• y - 0 = -1/3(x + 2)
• y - 0 = 1/3(x + 2)

Find the slope of the line containing (3, 9) and
(3, 4)

• 0
• Undefined
• 3
• 1/3