AzM2 Grade 8 Math 2

Question 1

What is the slope of the line passing through (2, 3) and (6, 11)?

Accepted Answer

2

Answer

Slope = (11 − 3) / (6 − 2) = 8 / 4 = 2.

Question 2

Which of the following is an irrational number?

Accepted Answer

√50

Answer

√50 = 5√2, which cannot be expressed as a fraction, making it irrational.

Question 3

A cylinder has radius 3 cm and height 10 cm. What is its volume? (Use π ≈ 3.14)

Accepted Answer

282.6 cm³

Answer

V = πr²h = 3.14 × 9 × 10 = 282.6 cm³.

Question 4

Solve for x: 3(x − 4) = 2x + 1

Accepted Answer

x = 13

Answer

3x − 12 = 2x + 1 → x = 13.

Question 5

Which equation represents a linear function?

Accepted Answer

y = 2x + 5

Answer

y = 2x + 5 is in slope-intercept form (y = mx + b), which is linear.

AzM2 Practice Test