Study Guide: Midterm Mathematics Course 2

1. What does 35 mean?

F five 3’s

G 3 multiplied by itself 5 times

H 3 times 5

I three 5’s multiplied together

2. Evaluate 4 + 3 ´ 12 ¸ 2.

A 13 C 22

B 20 D 42

3. Evaluate 52 - 3 ´ 5 + 4 ¸ 2.

F 8 H 57

G 12 I 112

4. Simplify 62 • (-10) ¸ -4.

A -90 C 90

B -15 D 240

5. Evaluate the expression a - b for
a = -15 and b = 6.

F –11 H 9

G –21 I 11

6. Evaluate x2 - 3x for x = 4.

A -4 C 20

B 4 D 28

7. Evaluate 2x - 5y for x = 3 and
y = -9.

F -10 H 39

G -8 I 51

8. Write “the quotient of 184 and a number that is decreased by 9” as an algebraic expression.

F 184 ¸ (9 - x)

G 184 ¸ (x - 9)

H (184 ¸ 9) - x

I 184 ¸ x - 9

9. Write the numbers -2, 5, 0, -1, and 3 in order from least to greatest.

A -2, 5, 0, -1, 3

B -2, -1, 0, 3, 5

C 0, -1, -2, 3, 5

D 5, 3, -2, -1, 0

10. Find |-4|.

F -4 H 1

G 0 I 4

11. Find the sum 25 + (-12) + (-9).

A 4 C 26

B 22 D 46

12. Evaluate x + y for x = -5, y = 16.

F -21 H 11

G -11 I 21

13. Find the difference - 21 - 15.

A -36 C 36

B -6 D 6

14. Find the difference 7 - (-8).

F -15 H 15

G -1 I 56

15. Find the product 8 • (-7).

A -56 C 1

B -15 D 56

16. Find the quotient -48 ¸ (-6).

F -42 H 8

G -8 I 54

17. Find the quotient -38 ¸ 0.

A 0 C -38

B undefined D 38

18. Solve the equation 6 • p = -84.

F p = -504 H p = 12

G p = -14 I p = 14

19. Solve the equation 5 + y = 15.

A -10 C 10

B 3 D 20

20. Solve the equation 6r - 3 = 15.

F r = 18 H r = 3

G r = 9 I r = -2

21. Which number is greatest?

A 0.78 C

B 0.83 D

22. Add 17.27 + (-23.56).

F 40.83 H -40.83

G -6.29 I 6.29

23. Which set of numbers is in order from least to greatest?

F 6.8, -6, 6.61, -6

G -6, -6, 6.61, 6.8

H -6, 6.61, 6, 6.8

I -6, 6.8, 6.61,

24. Subtract 19.23 - 3.51. Which is the difference?

A 15.32 C 16.32

B 15.72 D 16.72

25. Find the product. 2.7 • 4.31.

F 1.1637 H 116.37

G 11.637 I 1,163.7

26. Divide: $23.13 ¸ 9.

A $2.57 C $25.70

B $3.00 D $208.17

27. Solve the equation x - 5.89 = 2.3.

F x = -8.19 H x = 3.59

G x = -3.59 I x = 8.19

28. On a recent trip, Josh drove
324 miles and used 12 gallons of
gasoline. Find the unit rate.

F 12 miles per gallon

G 27 gallons per mile

H 27 miles per gallon

I 330 miles per gallon

29. Marlee drove 60 miles using 2 gallons of gas. Which is the unit rate in fraction form?

A C

B D

30. Which of the following ratios are
proportional?

F , H ,

G , I ,

31. Which is the solution to the proportion ?

A x = 15 C x = 30

B x = 20 D x = 60

32. If it costs $2.60 to purchase
4 croissants, how much would it
cost to purchase 7 croissants?

F $3.25 H $4.55

G $3.90 I $5.20

33. Which set of side lengths is for a triangle similar to the triangle below?

A 7 m, 6 m, 8 m B 6 m, 5 m, 8m

C 8 m, 6 m, 10 m D 12 m, 9 m, 14 m

34. A 5-foot pole casts a shadow of
15 feet. How tall is a tree that casts
a shadow of 33 feet?

F 11 feet H 99 feet

G 19 feet I 165 feet

35. Find the unknown lengths, a and b,
in the pair of similar triangles.

A a = 5 m and b = 30 m

B a = 10 m and b = 25 m

C a = 25 m and b = 10 m

D a = 30 m and b = 5 m

36. On a map, the distance between two cities is 7.3 cm. What is the actual distance between these two cities if the map scale is 1 cm:50 km?

F 365 cm H 400 km

G 365 km I 500 km

37. Find the unknown lengths, a and b,
in the pair of similar triangles.

A a = 5 m and b = 30 m

B a = 10 m and b = 25 m

C a = 25 m and b = 10 m

D a = 30 m and b = 5 m

38. Which mixed number is equivalent to ?

F H

G I

39. Which decimal is equivalent to ?

A 1.22 C 11.9

B 0.119 D

40. Solve the equation b - 23 = 14.

A -37 C 9

B -9 D 37

41. Solve the equation = 64.

F 4 H 256

G 16 I 1,024

42. Write 36,000,000,000 in scientific notation.

A 0.36 ´ 1010 C 3.6 ´ 1010

B 3.6 ´ 109 D 36 ´ 1010

43. Determine which number is a
solution of 7n = 56.

A 8 C -8

B 11 D 49

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