# algebra 1

Can you help me understand this Algebra question?

## Question 1 (5 points)

Simplify 3(2x + 4y â€“ y)

Question 1 options:

 a) 5x + 6y

 b) 6x + 9y

 c) 6x + 3y

 d) 5x + 11y

## Question 2 (5 points)

Find Malcolm’s debt-to-income ratio if his monthly expenses are $975 and his monthly salary is$1200.

Question 2 options:

 a) 0.8125

 b) 0.75

 c) 1.23

 d) 0.795

## Question 3 (5 points)

Evaluate 29 â€¢ 1 + 2(20 Ã· 4 â€“ 5)

Question 3 options:

 a) 30

 b) 28

 c) 0

 d) 29

## Question 4 (5 points)

Write an algebraic expression for 27 decreased by a number

Question 4 options:

 a) 27 â€“ m

 b) 27m  27 m

 c) m â€“ 27

 d) 27 + m

## Question 5 (5 points)

Write a verbal expression for 2n + 7

Question 5 options:

 a) 7 more than twice a number

 b) 7 more than n and 2

 c) 7 less than a number times 2

 d) the product of 2, n, and 7

## Question 6 (5 points)

Interpret the y-intercept of the graph.

Question 6 options:

 a) No one used a social networking site in February 2005.

 b) About 8% of those polled used a social networking site in February 2005.

 c) There were 8 social networking sites in February 2005

 d) All those polled used a social networking site 8 months after February 2005.

## Question 7 (5 points)

Evaluate 2(11 â€“ 5) + 9 Ã· 3.

Question 7 options:

 a) 15

 b) 18

 c) 11

 d) 30

## Question 8 (5 points)

Determine which relation is a function.

Question 8 options:

 a)

 b) y = 15x + 2  y = 1 5 x + 2

 c)

 d) {(3, 0), (â€“ 2, â€“ 2), (7, â€“ 2), (â€“ 2, 0)}

## Question 9 (5 points)

Write a verbal expression for 19a.

Question 9 options:

 a) the quotient of 19 and a number

 b) the difference of 19 and a number

 c) the sum of 19 and a number

 d) the product of 19 and a number

## Question 10 (5 points)

Evaluate 6 + 2 â€¢ 3 â€“ 1

Question 10 options:

 a) 23

 b) 10

 c) 11

 d) 16

## Question 11 (5 points)

Evaluate 4 Â· 1 + 6 Â· 16 + 0.

Question 11 options:

 a) 100

 b) 8

 c) 185

 d) 0

## Question 12 (5 points)

If

h(r) = 23r âˆ’ 6



h

(

r

)

=

2

3

r

6

, what is the value of h(-9)?

Question 12 options:

 a) 0

 b) 12

 c) -12

 d) âˆ’623  – 6 2 3

## Question 13 (5 points)

What is the domain of the relation?

Question 13 options:

 a) {-1,0,1,3}

 b) {0,1,2,3}

 c) (-1,-1,0,1,2,3}

 d) {-2,0,1,3}

## Question 14 (5 points)

Evaluate 6(8 â€“ 3)

Question 14 options:

 a) 45

 b) 30

 c) 11

 d) 66

## Question 15 (5 points)

Name the property used in n + 0 = 7.

Question 15 options:

 a) Multiplicative Identity Property

 c) Multiplicative Inverse Property

 d) Substitution Property

## Question 16 (5 points)

Evaluate 2k + m if k = 11 and m = 5.

Question 16 options:

 a) 18

 b) 27

 c) 216

 d) 32

## Question 17 (5 points)

Simplify 5(2g + 3).

Question 17 options:

 a) 10g + 3

 b) 7g + 3

 c) 10g + 15

 d) 7g + 8

## Question 18 (5 points)

Write an algebraic expression for the sum of a number and 8.

Question 18 options:

 a) x+8

 b) xÃ·8  x Ã· 8

 c) x-8

 d) 8x

## Question 19 (5 points)

Evaluate 13 + 6 + 7 + 4

Question 19 options:

 a) 2184

 b) 30

 c) 20

 d) 29

## Question 20 (5 points)

Interpret the end behavior of the function in terms of social networking

Question 20 options:

 a) expected to increase

 b) expected to decrease

 c) expected to level off at 55%

 d) expected to level off at 8%

algebra 1

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