# Math Trivia Quiz: Act 5-in-5

5 Questions | Total Attempts: 795  Settings  .

• 1.
The expression a[b + (cd)] is equivalent to:
• A.

A. ab + ac – ad

• B.

B. ab + abc – ad

• C.

C. ab + ac – d

• D.

D. ab + c + d

• E.

E. ab + c – d

• 2.

• A.

• B.

• C.

• D.

• E.

• 3.
So far, a student has earned the following scores on four 100-point tests this grading period:  65, 73, 81, and 82.  What score must the student earn on the fifth and last 100-point test of the grading period to earn an average test grade of 80 for the 5 tests?
• A.

75

• B.

76

• C.

84

• D.

99

• E.

The student cannot earn an average score of 80.

• 4.
A circle in the standard (x, y) coordinate plane is tangent to the x-axis at 5 and tangent to the y-axis at 5.  Which of the following is an equation of the circle?
• A.

• B.

• C.

• D.

• E.

• 5.
What 2 numbers should be placed in the blanks below so that the difference between consecutive numbers is the same
• A.

A. 23, 29

• B.

B. 24, 34

• C.

C. 25, 33

• D.

D. 26, 35

• E.

E. 27, 31

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