CCSS.Math.Content.8.F.B.4

What is the slope in the equation y=2x + 3?

• 2
• 3
• 5
• Cannot be Determined 

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CCSS.Math.Content.8.F.B.4

Find the slope of the line that passes through:
(-3, -4) and (7, 6)

• 0
• Undefined
• -1
• 1

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CCSS.Math.Content.8.F.B.4

For every 8 hours you work you make 500 pesos. How many pesos do you make for working 40 hours?

• 8,000 pesos
• 2,500 pesos
• 4,500 pesos
• 3,050 pesos

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CCSS.Math.Content.8.F.B.4

What is the slope and y-intercept of the table?

• m=5/1 b=-28
• m=1/5 b=-34
• m=-5/1 b=-34
• m=5/1  b=-28

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CCSS.Math.Content.8.F.B.4

What is the slope in this picture?

• Positive
• Negative
• Zero
• Undefined

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CCSS.Math.Content.8.F.B.4

What is the y-intercept in the equation y= -2x + 5

• -2
• 3
• 5
• -5

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CCSS.Math.Content.8.F.B.4

Is function represented by the table linear or nonlinear?

• linear
• nonlinear

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CCSS.Math.Content.8.F.B.4

A holiday meal cost $12.50 a person plus a delivery fee of $30. Which equation represents the amount a holiday meal costs(y), including delivery, for x people?

• y = 12.50 + 30x

• y = 30 + 12.50x

• y = 12.50 + 30

• 12.50x = 30

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CCSS.Math.Content.8.F.B.4

The annual profits for a company are given in the following table, where x represents the number of years since 1992, and y represents the profit in thousands of dollars. Write the linear regression equation that represents this set of data, rounding all coefficients to the nearest hundredth. Using this equation, estimate the year in which the profits would reach 378 thousand dollars.

• 2029

• 2014

• 2003

• 8753

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CCSS.Math.Content.8.F.B.4

A swimming pool had a leak. After 2 hours it had 800 gallons in it and then after 6 hours it had gone down to 600 gallons. Which equation represents this situation?

• y = - 50x + 900

• y = - 200x + 900

• y = 200x

• y = 4x

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CCSS.Math.Content.8.F.B.4