1. It is a polynomial equation of degree two that can be written in the form a X2 + bx+c = 0

a. linear equation

b.linear inequality

c.quadratic equation

d. quadratic inequality


2. Which of the following equations is NOT quadratic?

a. C= 12n -5

c. x2 + 2x = 2

b. 3r2 = 27

d. x (x - 3) = 5


3. What equation will be used to solve x2 - 8x = 9 using completing the square?

a. (x - 4)2 = 25

b. (x-4)2 = 13

C. (x + 4)2 = 25

d. (x + 4)2 = 13


4. What are the roots of the quadratic equation x2-3x - 10 = 0?

a. 2 and 5

b. 2 and 5

C. -10 and 1

d. 10 and -1​


Sagot :

Answer:

1. It is a polynomial equation of degree two that can be written in the form ax²+bx+c = 0

a. linear equation

b. linear inequality

c. quadratic equation

d. quadratic inequality

2. Which of the following equations is NOT quadratic?

a. C=12n -5

c. x² + 2x = 2

b. 3r² = 27

d. x(x - 3) = 5

3. What equation will be used to solve x² - 8x = 9 using completing the square?

a. (x - 4)² = 25

b. (x-4)² = 13

c. (x + 4)² = 25

d. (x + 4)² = 13

4. What are the roots of the quadratic equation x²-3x-10=0?

a. 2 and 5

b. 2 and 5

c. -10 and 1

d. 10 and -1​

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