Free Printable Grade 9 - MATH QUIZ BEE

1.

1. In the quadratic equation $3x^2\ +7x\ -4\ =\ 0$ , which is the quadratic term?

a)

$x^2$

b)

$7x$

c)

$3x^2$

d)

$-4$

2.

2. What is the nature of the roots of the quadratic equation if the value of its discriminant is zero?

a)

The roots are not real.

b)

The roots are irrational and not equal.

c)

The roots are rational and not equal.

d)

The roots are rational and equal.

3.

3. What is the side length of a square with an area of $16\ m^2$ ?

a)

2 m

b)

3 m

c)

- 4 m

d)

4 m

4.

4. What is the exponent that makes $3^4=9^x$ ?

a)

2

b)

3

c)

$\frac{1}{2}$

d)

4

5.

5. How many real roots does the quadratic equation $x^2\ +\ 5x\ +\ 7\ =\ 0$ have?

a)

0

b)

1

c)

2

d)

3

6.

6. Evaluate: $\sqrt{\frac{225}{324}}$

a)

$\frac{18}{15}$

b)

$\frac{225}{324}$

c)

$\frac{15}{18}$

d)

$\frac{75}{108}$

7.

7. The speed r of a moving object is inversely proportional to the time t travelled is written as

a)

$r\ =\ kt$

b)

$r\ =\ \frac{k}{t}$

c)

$t\ =\ kr$

d)

$\frac{r}{k}\ =\ t$

8.

8. Luis walks 5 kilometers due east and 8 kilometers due north. How far is he from the starting point?

a)

$\sqrt{39}$

b)

$\sqrt{25}$

c)

$\sqrt{89}$

d)

$\sqrt{64}$

9.

9. Find the length of an edge of a cube whose surface area is $72\ m^2$

a)

$\sqrt{72}$

b)

$2\sqrt{3}$

c)

$12$

d)

$6\sqrt{2}$

10.

10. Which shapes are similar?

a)

b)

c)

d)

Grade 9 - MATH QUIZ BEE - Easy Round

Total questions: 10

Worksheet time: 5mins

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