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