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SBAC Week 1 (A, ACC) Quiz Express/Systems/Probablilty

Total questions: 40

Worksheet time: 40mins

Name
Class
Date
1.

Simplify:

a)

A

b)

B

c)

C

d)

D

2.

Simplify.

2x-5y7⋅3x-4y-2

a)

6x9y9

b)

6y5/x9

c)

6/x9y5

d)

6/x9y9

e)

5x-9y5

3.

Which of the following is an irrational number?

a)
b)
c)
d)
4.

Which list of numbers is in order from least to greatest?

a)

4x10-2 ,√23, 5/3, 6, 43%

b)

5/3,4x10-2 ,√23, 6, 43%

c)

43%, 5/3, √23, 6, 4x10-2

d)

43%, √23, 5/3, 6, 4x102

e)

43%, 5/3, √23, 6, 4x102

5.

 6+(12−4)22\frac{6+\left(12-4\right)^2}{2}  

a)

9

b)

88

c)

70

d)

38

e)

35

6.

2x + 3 - x2; for x = 4

(a)  

7.

Simplify the following expression:

-8 (5b + 2) -7 (b - 5) +b

a)

-46b + 19

b)

-47b2 + 21

c)

33b - 19

d)

-47b -19

e)

-46b -19

8.

If  y2\frac{y}{2} = -10, then  yy  = -20 

a)

Division Property of Equality

b)

Multiplication Property of Equality

c)

Addition Property of Equality

d)

Subtraction Property of Equality

e)

Exponential Property of Equality

9.

6x + 3(-2 - x) - 12

a)

9x - 10

b)

3x - 6

c)

3x - 10

d)

9x + 18

e)

3x - 18

10.

What is [ (12x3y5z7)/ (144x-4 y7z-3)]0

a)

12(x7z10)

b)

(x7z10)/12y2

c)

1

d)

(x7y-2z10)/12

e)

(12x3y5z7)

11.

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

a)

3

b)

1/10

c)

3/10

d)

30%

e)

1/3

12.

The chart below represents the number of marbles in a jar.

P(green) =

a)

5/19

b)

10/28

c)

5/14

d)

10/39

e)

10/41

13.

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red or a blue marble?

a)

1/2

b)

1/3

c)

5/18

d)

5/9

e)

2/9

14.

If an event has an experimental probability of .02, which of the following is true?

a)

The event is always going to happen

b)

The event is more likely to happen than it is to not happen

c)

The event is unlikely to happen but could

d)

The event will never happen

e)

Not enough information

15.

If an event has an experimental probability of 1, which of the following is true?

a)

The event is always going to happen

b)

The event is more likely to happen than it is to not happen

c)

The event is unlikely to happen but could

d)

The event will never happen

e)

Not enough information

16.

Based on the chart, what is the experimental probability of pulling a green marble or purple marble?

a)

1/8

b)

8/25

c)

8/100

d)

7/8

e)

0

17.

Andrew picks one marble at a time from a box and replaces it. He repeats this process 25 times and records the results in the table. Based on the table, which color marble has an experimental probability of 1/5?

a)

Yellow

b)

Red

c)

Blue

d)

Green

e)

Not enough information

18.

Andrew picks one marble at a time from a box and replaces it. He repeats this process 25 times and records the results in the table. Based on the table, which color marble has an experimental probability of 1/5?

a)

Yellow

b)

Red

c)

Blue

d)

Green

e)

Not enough information

19.

What is the probability someone will spin a number that is even and blue.

a)

0

b)

1/8

c)

1/4

d)

1/32

e)

3/4

20.

If a man is chosen at random, what is the probability that he favors sports cars?

a)

35%

b)

16.25%

c)

65%

d)

25%

e)

39%

21.

What percentage of girls have blonde hair?

a)

30%

b)

32%

c)

29%

d)

40%

e)

not enough information

22.

P(not A) =

a)

6/8

b)

3/4

c)

2/8

d)

1/4

e)

1/2

23.

A bag has 3 red marbles, 2 blue, 4 green and 1 yellow. What is the theoretical probability of pulling a red or a blue marble?

a)

1/10

b)

3/10

c)

3/50

d)

1/2

e)

5/9

24.

Find the slope of the line that passes through the points (-2, 4) and (-6, 12)

a)

1/2

b)

-1/2

c)

2

d)

-2

e)

-3/8

25.

What is the slope of the line shown?

a)

6/11

b)

-6/11

c)

-11/6

d)

11/6

e)

Not enough information

26.

What is the solution?

a)

1

b)

-2

c)

(1, 2)

d)

(1, -1)

e)

Many Solutions

27.

This system has _____ solutions

a)

0

b)

1

c)

2

d)

Infinitely many

e)

(-3,-2)

28.

What is the solution?

a)

One Solution

b)

No solution

c)

Infinitely Many Solutions

d)

Two Solutions

e)

Not Enough Information

29.

Solve the following system by graphing. What is the solution?

a)

(-2, -4)

b)

(2, -4)

c)

(-2, 4)

d)

(2, 4)

e)

Infinity Many Solutions

30.

What is the solution to the systems

x+y=5

x-y=3

a)

(8,3)

b)

(5,2)

c)

(6,-1)

d)

(4,1)

e)

No solutions

31.

What is the solution to the systems:

3x+y=11

y=x+3

a)

(4,7)

b)

(0.5,3.5)

c)

(-2,17)

d)

(2,5)

e)

No Solution

32.

What is the solution to the systems:

y=-3x-2

6x+2y=-4

a)

(6,2)

b)

(-1,-5)

c)

(-2,-8)

d)

Infinity Many Solutions

e)

No Solution

33.

The graph shows the race between the tortoise and the hare. How much of a head start did the hare give the tortoise?

a)

2 minutes

b)

4 minutes

c)

7 minutes

d)

10 minutes

e)

90 minutes

34.

Which inequality represents the graph?

a)

y≤1/2x-1

b)

y≤3/2x+2

c)

y≥1/2x-1

d)

y>3/2x+2

e)

y<3/2x-1

35.

Which inequality is represented in the graph?

a)

x<-2

b)

x>-2

c)

y ≤\le -2

d)

y>-2

e)

x ≥\ge -2

36.

Which of the following is the graph for the systems of inequalities:

y ≤ -2x + 5

y > 3x - 1

a)
b)
c)
d)
e)

The shaded region should be on the top, so none of the graphs are shaded correctly

37.

If you solve a systems of equations by substitution and your substituted equation is 3y=3y+6, how many solutions does the systems have?

a)

No Solutions

b)

1 Solution

c)

2 Solutions

d)

Infinitely Many Solutions

e)

Not enough information to know

38.

Solve the following system of equations using the elimination method:

a)

(-2, 1)

b)

no solutions

c)

(-2, 0)

d)

(-1, -3)

e)

infinite solutions

39.

Which point is a solution?

a)

(0, 6)

b)

(-3, 4)

c)

(1, 0)

d)

(-4, 3)

e)

(3,-4)

40.

Which system of inequalities matches the graph?

a)

y > 2x - 4

y < 2

b)

y < 2x - 4

x < 2

c)

y > 2x - 4

y < 2

d)

y < 2x - 4

y < -2

e)

y < 2x - 4

x < 2

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