Quiz Review Pence & MacLeod

Given this expression identify the following 7j – 11k + k -9  Terms  Like terms  Variables  Coefficients  Constants  7j, -11k, k, -9  -11k and k  j, k  7, -11, 1  -9

Simplify the expression. 9x + 2x 11x

Simplify the expression. 7p p p + 8

Simplify the expression. 4a – 3b – 7a – 3b -3a – 6b

Simplify the expression. x + 5(6+x) x x 6x + 30

Simplify the expression. 3a + 4(2 + a) 3a a 7a + 8

Simplify the expression. -2(4 – 3r) – 3r r – 3r 3r – 8

Simplify the expression. -6m + 2m m + 6

Carl used w minutes one month on his cell phone. The next month he used 65 fewer minutes. Write an expression in simplest form that represents the total amount of minutes for both months.  Month 1  w  Month 2  w + w-65  2p - 65

There are 10 dogs, 20 cats, and 2 rabbits at a shelter. Each dog needs a collar, a bowl, and a toy. Each cat needs a collar and a bowl. In addition, one scratching post is needed for all of the cats. Each rabbit needs a bowl. Write an expression in simplest form to show the total number of collars c, bowls b, and toys t, that the animal shelter needs to its resident animals.  10(c + b + t) + 20 (c + b) + 2b  10c + 10b + 10t + 20c + 20b + 2b  30c + 32b + 10t

Three families recently ordered jeans from a catalogue. The Smith family ordered twice as many jeans as the Miller family, and the Taylor family ordered 4 times as many jeans as the Miller family. Write an expression to show how many jeans the families bought all together.  4a + 2a + a