IA3 Review

Equivalent Expressions

100

Which expression is equivalent to the expression 12x

a) 9x + 3

b) 9x + 3x

c) x + 2x

d) 6x + 2x

b) 9x + 3x

200

What is an equivalent expression for x*x*x

x³

300

Which of the following is not equal to 7(3+5)

a) 56

b) 21 + 5

c) 21 + 35

d) 7(3) + 7(5)

b) 21 + 5

400

Why are these not two expression equivalent:

2³+3n+n and 6 + 4n

2³ = 8

500

Which expression is equivalent to 3x + 8y + 5x?

a) (3+5)x + 8y

b) (3*5)x + 8y

c) 16xy

d) 8x² + 8y

a) (3+5)x + 8y

Solving Expressions

100

Solve:

6y + 5 +2y

8y + 5

200

Solve:

x+x+x+1+1

3x+2

300

n+2n+2n+y*y

5n+y²

400

Solve:

5²+4³

89

500

Solve:

3+2(2x+4)-2x

11+2x

GCF

100

In the form a(b+c) write 12+8 using the GCF

4(3+2)

200

In the form a(b+c) write 30+24 using the GCF

6(5+4)

300

In the form a(b+c) rewrite the expression 12x+20 using the GCF

4(3x+5)

400

Simplify 42x+14

14(3x+1)

500

Solve 70x+126

14(5x+9)

Algebraic Expressions

100

Write 5 more than y as an algebraic expression

5+y or y+5

200

Write "18 less than a number" as an algebraic expression

x-18

300

"13 less than the quotient of 3 and a number"

3/b - 13

400

"Multiply z by the sum of y and 5" (must include parantheses for full credit)

z(y+5)

500

"The square of y decreased by the product of 28 and a number"

y² - 28x

Final Jeopardy

100

Which of the following is equivalent to 4m³-2

a) 5(m+m+m)-2

b) 5(m³ - 2)

c) 5(m*m*m) - 2

d) 5(3m) - 2

c) 5(m*m*m) - 2