Ch.2 Section 2.1 Quiz- Algebra 1

Coefficients

100

Identify the coefficient of x in the expression:

7x+3

7

200

What is the coefficient of y in

−9y+5x−2

-9

300

Find the coefficient of a in:

3/4a−6b+2

3/4

400

Simplify the expression and state the coefficient of x:

5(2x−3)+4x

14

500

After simplifying, what is the coefficient of m in the expression:

−2(3m−4n+5)+7(m+2n)

1

Distributing

100

Simplify:

3(2x+5)

6x+15

200

Simplify:

−4(y−6)

-4y+24

300

Simplify:

2(3a−4b+5)

6a−8b+10

400

Simplify:

−3(2x−5)+4(x+7)

−2x+43

500

Simplify completely: 

5(2m−3n+4)−3(4m+n−2)

−2m−18n+26

Simplifying Expressions

100

Simplify:

4x+7x

11x

200

Simplify:

6y−3y+9

3y+9

300

Simplify:

5a+3b−2a+7b

3a+10b

400

Simplify:

2(3x+4)−5x+6

x+14

500

Simplify completely: 

4(2m−3n+1)−3(5m−2n−4)

−7m−6n+16

Like/Unlike Terms

100

Identify the like terms in the problem:

3x+5+7x+2

3x and 7x, 5 and 2

200

Are these like terms or unlike terms?

4a, 4a²

Unlike terms 

300

Group the like terms and simplify:

8y+3x−2y+5x

(8y−2y)+(3x+5x)= 6y+8x

400

Identify and combine all like terms:

6m+4n−3m+7−2n+5

(6m−3m)+(4n−2n)+(7+5)= 3m+2n+12

500

Simplify completely by combining like terms:

4a+3b−2a+8+5b−3+6a

(4a−2a+6a)+(3b+5b)+(8−3)= 8a+8b+5

Translating Phrases

100

Write an algebraic expression for:

“5 more than a number, x.”

x + 5

200

Write an algebraic expression for:

“7 less than twice a number, y.”

2y - 7

300

Write an algebraic expression for:

“The quotient of a number n and 3, increased by 8.”

n/3 + 8

400

Write an algebraic expression for:

“Four times the sum of a number a and 6.”

4(a + 6)

500

Write an algebraic expression for:

“Three more than the product of 5 and the difference of a number, m, and 2.”

5(m−2)+3