Bell Work Write an algebraic equation for the

Bell Work: Write an algebraic equation for the phrase Six times the sum of twice the opposite of a number and -8.

Answer: 6[2(-N) – 8]

Test 3 Review

Solve: x+3½=5¾

Answer: x=2¼

Simplify: 3 4 2 2 2 m y xxym x y

Answer: 4 4 m y x 8

Solve: x– 7=4

Answer: x = 11

Simplify by adding like terms: 2 2 2 -3 x ym + 6 ymx – mx y – 4 m

Answer: 2 2 x ym – 4 m

Solve: x =5 ½

Answer: x = 5/2 or 2 ½

Evaluate: 2 2 -x + y(x – y) – m If x = -2, y = 3 and m = 4

Answer: = - 35

Solve: 3 x = 15

Answer: x=5

Use the distributive property to expand -2 a(3 x – 4 y – 5 z)

Answer: -6 ax + 8 ay + 10 az

A base of the right prism is the isosceles triangle shown. The height of the right prism is 8 m. Find the volume of the right prism.

Answer: 3 320 m

Is the product of 12 negative numbers and 5 positive numbers a positive number or a negative number?

Answer: Positive

Find the perimeter of this figure. All angles are right angles. Dimensions are in meters. 5 5 5 7 15

Answer: 44 m

Define a right angle.

Answer: A triangle with one right angle

Find the surface area of this right circular cylinder. The radius is 6 cm and length is 12 cm.

Answer: 2 216π cm

Define rectangle.

Answer: A parallelogram with four right angles

Does -3 or 3 satisfy the equation x – 3 = 0?

Answer: 3 satisfies the equation

Use two unit multipliers to convert 40 miles to inches.

Answer: 2, 534, 400 inches

Find the area of this figure. Dimensions are in feet. 12 11 15

Answer: 2 255 feet

Which of the following terms are like terms? a) -3 xyk b) 5 kyz c) 7 kxy d) -2 xyz e) -3 yxk

Answer: a, c, and e

The length of the base of a right triangle is 24 inches and the height is 13 inches. Find the area of the right triangle.

Answer: 2 156 inches

Use two unit multipliers to convert 54 square inches to square centimeters.

Answer: 2 348. 39 cm

The circumference of a circle is 6π meters. What is the diameter of the circle?

Answer: 6 meters

Which of the following terms are like terms? a) 4 xmp b) -5 mxp c) 5 mxy d) -7 xyp

Answer: a and b

Is the product 3 negative numbers and 4 positive numbers a positive number or a negative number?

Answer: Negative number

Use two unit multipliers to convert 6000 meters to inches.

Answer: 236, 220. 48 inches

Use two unit multipliers to convert 5000 square feet to square inches.

Answer: 2 720, 000 inches

The length of the base of a scalene triangle is 6 inches. The height of the triangle is 13 inches. Find the area of the triangle.

Answer: 2 39 inches

The diameter of a circle is 10 feet. Find the area of the circle.

Answer: 2 78. 5 feet

Use the letters x, y and z, and parentheses to write the distributive property.

Answer: x(y + z) = xy + xz

Use braces and digits to designate the set of natural numbers.

Answer: {1, 2, 3, 4, 5…. . }

Use braces and digits to designate the set of whole numbers.

Answer: {0, 1, 2, 3, 4, …. . }

Simplify: 2 -2 + (-2) 2

Answer: =0

Simplify: 2 3 (-3) + √ 27

Answer: = 12

Evaluate: 3 xyz if x = 2, y = -2, and z = -1

Answer: 4

Evaluate: 2 2 a – b if a = -2 and b = -3

Answer: -5

Evaluate: -x(-a + b) – ab if x = -1, a = 2, and b = -3

Answer: 1

Simplify by adding like terms: 3 y + 5 xy – 4 y – 3 xy + x – y – 3 x

Answer: -2 y + 2 xy – 2 x

Simplify by adding like terms: -2 xp + 4 xy – px – 5 yx

Answer: -3 xp – xy

Expand by using the distributive property: -b(3 x – 4 y)

Answer: -3 bx + 4 by