STAAR Review Unit 3 + some!

Which statement is true?

• Slope of PR is equal to the slope of RT

• Slope of PR is less than the slope of RT

• Slope of PR is greater than the slope of RT

• The slopes of PR and RT cannot be determined

Find the unit rate for this graph.

• 40

• 2

• 20

• 1

Which statement is true? (zoom in if you need to)

• The graph shows 6 cakes made in 2 hours

• The graph shows 15 cakes made in 4 hours

• The graph shows 12 cakes made in 3 hours

• The graph shows 5 cakes made in 1 hour

Is this mapping a function or not a function?

• Function

• Not a Function

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)

• (3,4) (4,-3) (7,4) (3, 8)

• (6,-5) (7, -3) (8, -1) (9, 1)

• (2, -2) (5, 9) (5, -7) (1, 4)

Is this graph a function or not a function?

• Function

• Not a Function

Is this table a function or not a function?

• Function

• Not a Function

When y = 3, x = 5. If the value of y varies directly to x, what is the value of y, when x is 100?

• 60

• 166.6

• .15

• 12

The amount of money earned on a job varies directly to the number of hours worked. If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

• $2

• $308

• $1.57

• $265

What ordered pair represents the solution to both equations?

• (-2, -2)

• (2, -2)

• (-2,2)

• (2, 2)