Week 20~Thursday

The odometer in my car does not work correctly. The odometer approximated 13.2 miles for the last trip I took. But I know I actually traveled 15 miles. Use the percent error formula to find the percent error.

• 12% error

• 13% error

• 14.12% error

• 14% error

The exact length of a soccer field is 500 feet. A measuring instrument shows the length to be 493 feet. Find the percent error for the length of the soccer field.

• 0.014% error

• 1% error

• 1.4% error

Using the information from #2, the actual width of the field is 250 feet, but the recorded width is 246.5 feet. Find the percent error for the AREA of the soccer field.

• 2.8% error

• 0.028% error

Solve:

z/8 + 2 ≥ 3.25

What numbers are possible solutions to this inequality?

• 10

• 0

• 0.15625

• 20

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

In the problem to the left, solve the inequality and graph it on your worksheet. What numbers would be possible solutions to the inequality?

• 7

• 12

• 6

• 5

Tags

CCSS.7.EE.B.4

Max earned $66 in an 8 hour shift at work.  How much does he make per hour?

• $8.00

• $8.25

• $10.00

• $12.00

Tags

CCSS.7.NS.A.2

CCSS.7.NS.A.3

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Which of these tables (if any) represent a proportional relationship?

• the first table

• the second table

• both tables

• neither table

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Which equation represents the table

below in terms of  y = kx?

• y = 2x

• y = 7x