Midterm Review

Which of the following represents a function

• {(3,5), (4,5), (5,5), (3,7)}
• {(2,3), (4,6), (-2,7), (2,8)}
• {(2,4), (3,6), (2,-3), (5,6)}
• {(2,3), (4,5) ,(5,5), (7, 5)}

Tags

CCSS.8.F.A.1

Which correlation coefficient indicates the strongest linear relationship between the variables?

• 0.79
• -0.63
• 0.52
• -0.84

Tags

CCSS.HSS.ID.B.5

• 1

• 2

• 3

• 4

Solve the literal equation for the given variable.

• 2A/h
• 2/(h)
• 2Ah
• Ah/2

Tags

CCSS.HSA.CED.A.4

What is the slope of the line with the equation y = 4x + 12

• 4
• 1/4
• -4
• -1/4

Tags

CCSS.8.EE.B.5

What is the y-intercept of the equation 2y+8x=16?

• 9
• 2
• 8
• 16

During physical education class, Andrew recorded the exercise times in minutes and heart rates in beats per minute (bpm) of four of his classmates. Which table best represents a linear model of exercise time and heart rate?

• 
• 
• 
• 

What is the slope between the points
(-3, -4) & (7, 6)?

• 0
• Undefined
• -1
• 1

Tags

CCSS.8.EE.B.5

Write in slope intercept form
5x - 3y = -9

• y = (5/3)x - 3
• y = (5/3)x + 9
• y = (5/3)x + 3
• y = (3/5)x + 3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

• 1

• 2

• 3

• 4