EQAO Math 3

Question 1

Which of the following numbers is a prime number?

Accepted Answer

37

Answer

37 is divisible only by 1 and itself; 49 = 7×7, 51 = 3×17, and 63 = 7×9.

Question 2

On a coordinate grid, a point is located at (−3, 5). In which quadrant is this point?

Accepted Answer

Quadrant II

Answer

Quadrant II has negative x-values and positive y-values, which matches (−3, 5).

Question 3

A cylindrical can has a radius of 5 cm and a height of 10 cm. What is its volume? (Use π ≈ 3.14)

Accepted Answer

785 cm³

Answer

Volume = π × r² × h = 3.14 × 25 × 10 = 785 cm³.

Question 4

A student scored 72, 85, 90, 68, and 75 on five tests. What is the mean score?

Accepted Answer

78

Answer

Mean = (72 + 85 + 90 + 68 + 75) ÷ 5 = 390 ÷ 5 = 78.

Question 5

Which expression is equal to 5² + 4²?

Accepted Answer

41

Answer

5² = 25 and 4² = 16; their sum is 25 + 16 = 41.

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