algebra 1

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Can you help me understand this Algebra question?

Question 1 (5 points)

Simplify 3(2x + 4y – 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 • 1 + 2(20 ÷ 4 – 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 – m

b)



27m





27


m

c)

m – 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 – 5) + 9 ÷ 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), (– 2, – 2), (7, – 2), (– 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 • 3 – 1

Question 10 options:

a)

23

b)

10

c)

11

d)

16

Question 11 (5 points)

Evaluate 4 · 1 + 6 · 16 + 0.

Question 11 options:

a)

100

b)

8

c)

185

d)

0

Question 12 (5 points)

If

h(r) = 23r − 6




h


(


r


)




=





2


3



r




–




6



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

Question 12 options:

a)

0

b)

12

c)

-12

d)



−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 – 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

b)

Additive 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)



x÷8




x


÷


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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