# Algebra 1a--week 5

20 Questions | Total Attempts: 37

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• 1.
x = ?
• A.

1

• B.

2

• C.

3

• D.

4

• 2.
x = ?
• A.

20

• B.

22

• C.

24

• D.

21

• 3.
x = ?
• A.

40

• B.

46

• C.

52

• D.

54

• 4.
• A.

6/12

• B.

1/2

• C.

8/9

• D.

9/8

• 5.
Xy2 : x2y = ?
• A.

X/y

• B.

2x / y

• C.

2y / x

• D.

Y/x

• 6.
(2x + 3) : 10 = (3x -2) : 8  x = ? Reduce completely.
• A.

4/5

• B.

2/3

• C.

-22/65

• D.

20/51

• 7.
Use the formula I = prt to solve the following problem: I = Interest p = principal r = rate t = time Find the simple interest for a loan of \$2,000 with an interest rate of 11.5% for a period of 2 years.  (When you enter the interest rate into the formula, enter it as a decimal, not a percent.)
• A.

\$200

• B.

\$230

• C.

\$350

• D.

\$460

• 8.
Use the formula I = prt to solve the following problem: I = Interest p = principal r = rate t = time How long will it take to earn \$135 on \$1,500 with a simple interest rate of 3%?
• A.

2 years

• B.

3 years

• C.

4 years

• D.

5 years

• 9.
Use the formula I = prt to solve the following problem: I = Interest p = principal r = rate t = time Johnny invests \$1,000, for three years, and receives \$1,600 at the end of that time.  What simple interest rate did he earn?
• A.

10%

• B.

20%

• C.

30%

• D.

40%

• 10.
Use the formula I = prt to solve the following problem: I = Interest p = principal r = rate t = time Bill invests a certain amount of money at the beginning of 2007.  He earns \$75, at a 5% interest rate, over a period of three years, .  How much did he invest?
• A.

\$1,000

• B.

\$1,200

• C.

\$1,500

• D.

Not enough information

• 11.
3 (6x + 2) = 12 x = ?
• A.

1

• B.

1/2

• C.

1/3

• D.

1/4

• 12.
x = ?
• A.

2

• B.

3

• C.

4

• D.

5

• 13.
25x2 – 5x + 4 / 2 = 25x2 + 6x
• A.

2

• B.

5

• C.

6

• D.

7

• 14.
x = ?
• A.

8

• B.

4

• C.

2

• D.

1

• 15.
• A.

10

• B.

5

• C.

3

• D.

2

• 16.
x = ?
• A.

1,420.9

• B.

1420

• C.

10

• D.

9/10

• 17.
x = ?
• A.

3

• B.

2

• C.

1

• D.

1/3

• 18.
Solve for x:
• A.

100

• B.

1/3

• C.

1

• D.

-20

• 19.
Abs (-6) - 6 = 12
• A.

True

• B.

False

• 20.
An ant carried three pieces of bread to the other side of the room in 1 minute.  How long would it take the ant to carry twelve pieces of bread the same distance?
• A.

2 minutes

• B.

3 minutes

• C.

4 minutes

• D.

5 minutes