Review Chapter 2 2-1 to 2-4

Find the range of the relation {(–1, 4), (2, 5), (3, 5)}. Then determine whether the relation is a function.

• {–1, 2, 3}; function

• {–1, 2, 3}; not a function

• {4, 5}; function

• {4, 5}; not a function

Tags

CCSS.8.F.A.1

• -5

• -7

• 7/3

• 7

Tags

CCSS.HSF.IF.A.2

Which equation is linear?

• x = –2

• y = 3x² + 1

• y < 5x – 2

• y² = x + 3

Write –3y = –1 + 5x in standard form.

• –5x – 3y = 1

• 5x + 3y = 1

• y = – x – 1

• 3x + 5y – 1 = 0

Find the x-intercept of the graph of 4x – 2y = 8.

• -4

• -2

• 0

• 2

Find the slope of a line that passes through (2, 4) and (–7, 8).

• -4/9

• -4/5

• 5/4

• -9/4

Tags

CCSS.8.EE.B.5

What is the slope of the line x = –2?

• -2

• undefined

• 0

• -1/2

Tags

CCSS.8.EE.B.5

What is the slope of a line that is parallel to the graph of

2x – 3y = 6?

• 3/2

• -2/3

• 2/3

• -3/2

Write an equation in slope-intercept form for the line that has a slope of 3 and passes through (–1, 2).

• y = 3x – 1

• y = –3x – 5

• y = 5x + 3

• y = 3x + 5

Write an equation in slope-intercept form for the line that passes through (–1, –2) and (3, –7).

• y= 5/4 x - 3/4

• y= -4/5 x - 6/5

• y= 4/5 x - 6/5

• y= -5/4 x -13/4