Quiz about Quadratic Equations Introduction

Question 1

Which of the following best describes a quadratic equation?

Accepted Answer

A quadratic equation is an equation with a degree of 2.

Answer

A quadratic equation is an equation with a degree of 1.

Answer

A quadratic equation is an equation with a degree of 3.

Answer

A quadratic equation is an equation with a degree of 4.

Question 2

In the equation $$ax^{2\ }+bx\ +\ c\ =\ 0$$ , a must not be equal to ____

Accepted Answer

Answer

Answer

Answer

Question 3

Which of the following is a quadratic equation?

Accepted Answer

$$m^{2\ }-5m\ +\ 6\ =\ 0$$

Answer

$$3x\ -\ 7\ =\ 14$$

Answer

$$5t^{3\ }-\ 2t^{2\ }+\ t\ -10\ =\ 0$$

Answer

$$\frac{x}{2}+\frac{y}{3}=\ 1$$

Question 4

The values of a, b and c in the quadratic equation $$ax^{2\ }+bx\ +\ c\ =\ 0$$ must be in the set of _________.

Accepted Answer

Real Numbers

Answer

Complex Numbers

Answer

<html><head></head><body>Integers</body></html>

Answer

Rational Numbers

Question 5

In the equation $$x^{2\ }+\ x\ -\ 6\ =0$$ , the value of a is ___.

Accepted Answer

Answer

Answer

Answer

cannot be determined

Question 6

In the quadratic equation $$2x^{2\ }+11x-40=0$$ , the value of b is _______.

Accepted Answer

Answer

Answer

Answer

Question 7

A quadratic equation is said to be in its standard form if the equation is written on __________

Accepted Answer

$$ax^{2\ }+\ bx\ +\ c\ =\ 0$$

Answer

$$ax\ +\ by\ =\ c$$

Answer

$$ax^{3\ }+\ bx^{2\ }+cx\ +\ d\ =\ 0$$

Answer

$$ax^{2\ }+\ bx\ =\ c$$

Question 8

In the equation $$x^{2\ }-36\ =0$$ , the value of b is ______.

Accepted Answer

Answer

cannot be determined

Answer

Answer

Question 9

Which of the following mathematical concept/s can be used to get the values of a, b and c of the equation $$\left(x-5\right)\left(x+1\right)=0$$ ?

Accepted Answer

Both PEMDAS and FOIL Method

Answer

<html><head></head><body>PEMDAS</body></html>

Answer

FOIL Method

Answer

Neither of PEMDAS or FOIL Method

Question 10

In the given equation $$\left(2x-5\right)\left(3x+9\right)=0$$ , find the value of b.

Accepted Answer

Answer

Answer

Answer

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