Linear Quadratic and Exponential Regression Prereview

Is this table linear, quadratic, exponential, or none of the above?

• linear

• quadratic

• exponential

• none of the above

Which kind of function has the same Second Differences

• Linear

• Quadratic

• Exponential

• Absolute Value

Which kind of function has the same Common Ratios

• Linear

• Quadratic

• Exponential

• Absolute Value

This set of ordered pairs shows a relationship between x and y. Using the line of best fit, which is closest to the output when the input is 3?

• 10.72

• 9.5

• 2.5

• 13

Tags

CCSS.HSF-LE.A.1B

Given the set of data, estimate what the value of y will be when x = 14. Round your answer to the nearest tenth.

• 340

• 200.5

• 343.4

• 433.2

The data in the table represents a linear relationship between altitude and temperature.

• y = -0.14x + 74.88

• y = -0.14x - 74.88

• y = 0.14x + 74.88

• y = -2.35x² - 0.09x + 73.79

Tags

CCSS.8.EE.B.5

Which equation fits the pattern of the following sets of ordered pairs?

• y = -1/2 x + 3

• y = -1/2 x - 3

• y = x + 3

• y = x - 3

Tags

CCSS.6.EE.C.9

The table below gives the number of hours spent studying for a math exam (x) and the exam grade (y). Using a line of best fit, predict the exam grade of a student who studied 5 hours.

• 100

• 93

• 96

• 87

The table below shows the 2014 postage rates for mailing first-class envelopes. Using the line of best fit, which value represents the postage rate of a 14 ounce envelope?

• $3.50

• $3.71

• $2.73

• $2.94

Using the data plotted on the scatterplot, which equation most closely describes a line of best fit for the data?

• y = 2x - 4

• y = 2x + 5

• y = x + 6

• y + 3x - 4

Tags

CCSS.8.EE.B.5