Algebra I Test 3 Review (Lessons 9-12)

A

100

What is an acute angle?

An angle with a measure between 0 and 90 degrees.

200

Is the product of two signed numbers that have the same sign a positive number or a negative number?

Positive number.

300

(2)(-4)(-7)(-5)

-280

400

Find the area of the shaded portion of this figure in feet.

71 ft squared

500

Use two unit multipliers to convert 40 square centimeters to square meters.

100 cm = 1 m

(50) / [(100)^2] meters squared

B

100

What is an equilateral triangle?

A triangle with three sides of equal length.

200

Is the quotient of two signed numbers that have opposite signs a positive number or a negative number?

Negative number.

300

-|-7 + 2| + 3 - 9

-11

400

(-4 - 8) / (-3 + 9 - 6)

Undefined

500

(4)(-3) - (2 - 5)(4 - 1) + |-5 + 3 - 1|

0

C

100

What is an obtuse angle?

An angle with a measure between 90 and 180 degrees.

200

The area of a rectangle is 84 square meters. The width of the rectangle is 7 meters. What is the length of the rectangle?

12 meters

300

(5)(-6 - 7)(-9)(-4)

-2340

400

(8)(-9)(4 - 7)(-3 + 7 - 13)

-1944

500

Find the perimeter of this figure in cm.

40.56 cm 

D

100

What is a straight angle?

An angle with a measurement of 180 degrees.

200

The diameter of a circle is 16 inches. What is the circumference of the circle?

50.24 inches

300

-7(5 + 2) - 2(8 - 3)

-59

400

Find the area of this figure in inches.

25 inches squared

500

Use two unit multipliers to convert 70 meters to inches. 

1 inch = 2.54 cm

100 cm = 1 m

70(100) / (2.54) inches

or 2755.91 inches

E

100

What is a scalene triangle?

A triangle with sides of all different lengths.

200

The diameter of a circle is 16 inches. What is the area of the circle?

200.96 inches squared

300

Find x.

65 degrees

400

2 - (24/-6) - 7

-1

500

[3(-8 - 3) + (10 - 7)] / [-6 - (-2)(-3)]

2.5