Free Printable 2021 MMV Grade 9 Individual Quiz

1.

What is a polynomial equation of degree two that can be written in a form $ax^2+bx+c=0$ , where $a,\ b,\ c$ are real numbers and $a\ne0$ .

a)

Linear Equation

b)

Linear Inequality

c)

Quadratic Equation

d)

Quadratic Inequality

2.

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

a)

$3x^2$

b)

$7x$

c)

$x^2$

d)

$-4$

3.

The variation “the distance (d) the car travels with constantly increasing speed varies directly as the square of the time (t)” can be written as $d=kt^2$ . Which is the independent variable?

a)

$d$

b)

$k$

c)

$t$

d)

$t^2$

4.

If $V=at$ and $a$ is tripled while remains constant, how does V change?

a)

V is also tripled.

b)

V is reduced by a factor of 3.

c)

V remains the same.

d)

The change in V cannot be determined.

5.

If $f(x)=x^2+6x+9$ , what is $f(x-3)$ ?

a)

$x^2+9$

b)

$6x+9$

c)

$x^2$

d)

$6x$

6.

Solve for x: $x^2+1\ge0$

a)

all real numbers

b)

$x\ge-1$

c)

$x\ge-1$

d)

$-1\le x\le1$

7.

Suppose y varies directly as x. If x = 6, then y = 12. If x = 2, find y.

a)

2

b)

3

c)

4

d)

5

8.

Simplify the expression: $\sqrt[]{49x^7}$

a)

$9x^3\sqrt[]{x}$

b)

$7x^3\sqrt[]{x}$

c)

$9x\sqrt[]{x^3}$

d)

$7x\sqrt[]{x^3}$

9.

Find the vertex of the graph of $y=x^2−4x+5$ .

a)

$\left(2,-1\right)$

b)

$\left(-1,2\right)$

c)

$\left(1,\ 2\right)$

d)

$\left(2,\ 1\right)$

10.

Find the square of $3+\sqrt[]{3}$ .

a)

$12$

b)

$12+\sqrt[]{3}$

c)

$6+2\sqrt[]{3}$

d)

$12+6\sqrt[]{3}$

11.

Refer to the figure. What equation will compute side S of the figure?

a)

$S+S=169\$

b)

$S^2+169\$

c)

$S^2-169=0\$

d)

$S=S+169$

12.

Which of the following situation illustrates an inverse variation?

a)

Mr. Perez receives a commission (c) of 5% of his sales (s).

b)

The surface area (A) of the basketball as related to its radius (r).

c)

The points (p) earned by a Grade 9 student for every number of kilogram (n) of waste paper collected.

d)

The number of workers (w) needed to complete a certain job in t hours.

13.

For what value(s) of x will $\sqrt[]{3x-7}$ be a real number?

a)

$x\ge\frac{7}{3}$

b)

$-7\le x\le3$

c)

$x\ge0$

d)

all real numbers

2021 MMV Grade 9 Individual Quiz - PART 1

Total questions: 13

Worksheet time: 7mins

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