Pre-Alg Semester 1 Exam 20-21

PRE-ALGEBRA

SEMESTER 1 EXAMINATION

MRS. FINLAY & MR. DU FEU

DECEMBER 2020

There are 50 multiple choice questions on this examination.

Be certain to choose the response that best answers the question.

You MUST show your work!!

You MUST follow all of the instructions precisely in order to choose the correct answer.

You MUST show all your work on the exam in order to get full credit for each answer.

All calculations should be on scrap paper or at the side of the exam and NOT visible.

You may NOT use a calculator.

GOOD LUCK!!

1

The product of negative five and a number?

5x

-5 + x

x - 5

-5x

1

Fifteen fewer than a number

1

Evaluate: –4(t + 1) + 7 when t = 5

31

-12

-17

-31

1

belongs to which groups?

Rational, Real

Irrational, Real

Irrational, Integer, Real

Rational, Integer, Whole Number, Real

1

Evaluate:

64

-64

-12

12

1

Evaluate:

16

-4

262,144

4

1

Solve the following:

n = 3

No solution

n = -3

n = -19,683

1

Solve: –4p = 16

p = 64

p = -4

p = -64

p = 4

1

Solve:

1

Solve:

1

Solve:

1

Solve:

1

Solve: w + 1.2 = 5.4

w = 4.2

w = -6.6

w = 6.6

w = 6.48

1

Solve:

1

Solve: 7.48 = -2.2n

n = -3.4

n = 5.28

n = 5.06

n = 3.4

1

Solve:

n = -16.5

n = 1.7

n = 15.5

n = 16.5

1

Simplify:

1

Simplify:

0

10

1

13

1

Simplify:

1

Simplify:

1

Simplify:

1

What is the value of n?

-2

-12

2

12

1

Find the product - your answer must be written in Scientific Notation:

1

Convert into Scientific Notation: 5,678,123

1

Convert into Scientific Notation: 0.987002

1

Write in Standard Form:

1

Write Standard Form:

-0.00034567

-34,567

0.00034567

34,567

1

Evaluate in simplest form:

1

Evaluate in simplest form:

1

Evaluate in simplest form:

14

1

Evaluate in simplest form:

1

Evaluate in simplest form:

1

Evaluate in simplest form:

1

Evaluate in simplest form:

1

Evaluate:
-8 + 12 - 11

-7

-15

-31

9

1

Evaluate:

8

-8

2

-2

1

Evaluate:
-25 + 15

10

-40

-10

40

1

Evaluate:
-20 - 10

-10

30

10

-30

1

Evaluate:

140

-140

-16

-33

1

Evaluate:

15

45

-15

0

1

What are possible value(s) for a ?

No solution

-7

7

1

What are the possible value(s) of a ?

No solution

-7

7

1

0.58

Not given

1.6

0.625

1

Not

1

Not given

1

What % of 400 is 48 ?

1.2

1,200

0.12

12

1

What is 6% of 400 ?

13

240

24

2.4

1

What is the percent change from 50 to 40 ?

5%

20%

25%

10%

1

What is 240 increased by 15% ?

300

36

276

204

1

What is sale price of a pair of $80 jeans discounted 20% ?

$64

Not given

$96

$16

2

BONUS QUESTION:
Simplify the expression:

31.75n

10n + 2

-30.75n

Not given

Pre-Alg Semester 1 Exam 20-21

The product of negative five and a number?

Fifteen fewer than a number

Evaluate: –4(t + 1) + 7 when t = 5

belongs to which groups?

Evaluate:

Evaluate:

Solve the following:

Solve: –4p = 16

Solve:

Solve:

Solve:

Solve:

Solve: w + 1.2 = 5.4

Solve:

Solve: 7.48 = -2.2n

Solve:

Simplify:

Simplify:

Simplify:

Simplify:

Simplify:

What is the value of n?

Find the product - your answer must be written in Scientific Notation:

Convert into Scientific Notation: 5,678,123

Convert into Scientific Notation: 0.987002

Write in Standard Form:

Write Standard Form:

Evaluate in simplest form:

Evaluate in simplest form:

Evaluate in simplest form:

Evaluate in simplest form:

Evaluate in simplest form:

Evaluate in simplest form:

Evaluate in simplest form:

Evaluate:-8 + 12 - 11

Evaluate:

Evaluate:-25 + 15

Evaluate:-20 - 10

Evaluate:

Evaluate:

What are possible value(s) for a ?

What are the possible value(s) of a ?

What % of 400 is 48 ?

What is 6% of 400 ?

What is the percent change from 50 to 40 ?

What is 240 increased by 15% ?

What is sale price of a pair of $80 jeans discounted 20% ?

BONUS QUESTION:Simplify the expression:

The product of negative five and a number?

Fifteen fewer than a number

Evaluate: –4(t + 1) + 7 when t = 5

belongs to which groups?

Evaluate:

Evaluate:

Solve the following:

Solve: –4p = 16

Solve:

Solve:

Solve:

Solve:

Solve: w + 1.2 = 5.4

Solve:

Solve: 7.48 = -2.2n

Solve:

Simplify:

Simplify:

Simplify:

Simplify:

Simplify:

What is the value of n?

Find the product - your answer must be written in Scientific Notation:

Convert into Scientific Notation: 5,678,123

Convert into Scientific Notation: 0.987002

Write in Standard Form:

Write Standard Form:

Evaluate in simplest form:

Evaluate in simplest form:

Evaluate in simplest form:

Evaluate:
-8 + 12 - 11

Evaluate:
-25 + 15

Evaluate:
-20 - 10

BONUS QUESTION:
Simplify the expression:

Evaluate:
-8 + 12 - 11

Evaluate:
-25 + 15

Evaluate:
-20 - 10

BONUS QUESTION:
Simplify the expression: