Review for Unit Test Linear Equations (M4/5)

What is the equation of this graph?

• y=-x+2

• y=x+2

• y=2x+1

• y=2x

Write an equation in slope-intercept form of the line with a slope of -3/4 containing (8, 2).

• 4x + 3y = 24

• y = 3/4x - 2

• y= -3/4x + 8

• y=8x - 3/4

Write an equation of the line that passes through (–2, 8) and (–4, –4).

• y = 2x + 12

• y = 6x + 20

• y = -6x - 4

• y = 1/6x + 25/3

Write y – 3 = 2 (x – 2) in standard form.

• x - 2y = -1

• y - 2x = -7

• -2x + y = -1

• x + 2y = -7

Write y – 1 = 2(x - 3/2) in slope-intercept form.

• 2x - y =2

• 1/2y + 1/2 = x

• y= 2x - 1/2

• y=2x -2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write an equation in slope-intercept form for the line that passes through the given point and is perpendicular to the graph of the given equation.

• y = 1/2x - 2

• y = -2x -2

• y = -1/2x + 2

• y = -2/1x - 1

Write an equation in slope-intercept form for the line that passes through the given point and is parallel to the graph of the given equation.

• y = 2x + 1

• y = -1/2x +1

• y = -1/2x -3

• y = 2x + 2

How would you describe the relationship between

the x- and y-values in the scatter plot?

• Weak Positive Correlation

• Strong Positive Correlation

• Weak Negative Correlation

• No Correlation

Tags

CCSS.HSF-LE.A.1B

The graph shows the number of miles you can swim over time. What linear function in the form y =mx +b represents the growth over time

• y=10x+2

• y=15/2x

• y=30x+4

• y=3/2x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Give the x-intercept
3x + 8y = 24

• (8, 0)
• (0, 8)
• (3, 0)
• (0, 3)