Praxis Mathematics Exam 1

Question 1

If x= -5, then l x - 7 l =

Accepted Answer

12

Answer

10

Answer

-2

Question 2

Solve and simplify: 2/3 x 3/5 x 5/10 x 6/8

Accepted Answer

0.15

Answer

0.25

Answer

0.333333333

Question 3

If Dave drives at a steady speed of 50 miles per hour, how long will it take him to drive 10 miles?

Accepted Answer

12 minutes

Answer

15 minutes

Answer

30 minutes

Question 4

John will be x in 7 years. How old was he last year?

Accepted Answer

x - 8

Answer

x + 8

Answer

7x

Question 5

Find the slope: 4x - 5y =20

Accepted Answer

4/5

Answer

5/4

Question 6

Rex is four times as old as Ted. If the sum of their ages is 30, how old is Ted?

Accepted Answer

6

Answer

10

Answer

12

Question 7

On a real number line, x =-4 and y = 7. What is the length of the line XY?

Accepted Answer

11

Answer

3

Answer

- 11

Question 8

Regie has enough flour to last for days. If he increases his use of flour by 25%, however, how many day's worth of flour will he have?

Accepted Answer

32 days

Answer

30 days

Answer

28 days

Question 9

If x=3 and y = -1, then 3x squared + 2xy - 5 =?

Accepted Answer

16

Answer

18

Answer

14

Question 10

8.5 x 9.07 =

Accepted Answer

77.095

Answer

770.95

Answer

777.095