y=mx+b

Which graph is showing an object moving at a constant speed?

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Ms.Qualters was given two pieces of information. She knows the line crosses the y-axis at the point (0,5) and has a slope of – 4. What is the equation of the line?

• y= -4x+5

• y= 4x+5

• y= 5x - 4

• y=4x-5

Which graph has a slope of 1/2?

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Ms. Qualters wants to go paddle boarding. The place charges $20 to rent the board and $5 per hour after that. What is the initial fee?

• $20

• $5

• $25

• $15

Ms. Qualters wants to go paddle boarding. The place charges $20 to rent the board and $5 per hour after that. What is the recurring fee?

• $20

• $5

• $25

• $15

Ms. Qualters wants to go paddle boarding. The place charges $20 to rent the board and $5 per hour after that. Which equation BEST represents the cost,y, for a rental when "X" hours are used?

• y=5x+20

• y=20x+5

• y=5x

• y=5x+15

A water park charges a rental fee of $15 plus $2 per hour for lockers. Which equation BEST represents the cost,y, for a one time visit when X hours are used?

• y=15x+2

• y=2x+15

• y=17x

• y=2x

What is the slope of this equation?

y = 3x - 4

• 3

• 3x

• 4

• -4

What is the y-intercept of this equation?

y = 5x + 8

• 5

• 5x

• 8

• -8

What is the slope of the line?

• $-\frac{2}{3}$

• -6

• $\frac{3}{2}$

• 4