MATH 9 QUIZIZ

1. . In the quadratic equation 2x² – 9x – 5 = 0, which is the quadratic term?

a. 2x²                                        b. x²                             c. – 9x                          d. – 5

• a. 2x²   

•   b. x²    

• c. – 9x

• d. – 5

2. What method can we use to solve a quadratic equation that can be written in the form x² = r?

            a. Quadratic Formula     b. Factoring     c. Extracting Square Roots     d. Completing the Square

•   a. Quadratic Formula

• b. Factoring

• c. Extracting Square Roots

•  d. Completing the Square

3.      A number that says how many times the base is to be multiplied by itself.

a.       Exponent                    b. Radical                             c. Radical Equations   

     d. Rationalization

• a.       Exponent

• b. Radical  

• c. Radical Equations  

• d. Rationalization

4. . In the quadratic equation 2x² – 9x – 5 = 0, which is the constant term?

a. 2x²                                         b. x²                                c. – 9x                       d. – 5

• a. 2x²

•  b. x²

• c. – 9x     

• d. – 5

5. . Which of the following represents the statement, m varies directly as j.

 a. j = km                      b. m = k/j                          c.  k = j/m                         d.  m = kj

• a. j = km

•  b. m = k/j

•  c.  k = j/m 

• d.  m = kj

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

a.     r = kt              b. r =  k/t                 c. t = kr                 d. r/k=r

• a.     r = kt    

•    b. r =  k/t 

• c. t = kr 

• d. r/k=r

7. It is a polynomial equation of degree two that can be written in the form  a x² + bx + c = 0, where a, b, and c are real numbers and a ≠ 0.

             a. Linear Equation                                    c. Quadratic Equation

             b. Linear Inequality                                   d. Quadratic Inequality

 

•   a. Linear Equation   

•   b. Linear Inequality

•   c. Quadratic Equation

• d. Quadratic Inequality

8. What are the factors of 31?

a.    20 and 11           b. 1 and -31                 c. -1 and 31                 d. -1 and -31

• a.    20 and 11 

• b. 1 and -31

•   c. -1 and 31    

•    d. -1 and -31

9.   In a quadratic equation 3x² + 7x - 14 = 0,  which is the linear term?     

a. x² b. 7x c. 3x² d. -14

• a. x²

• b. 7x

• c. 3x²

• d. -14

10. Which of the following is in standard form?

a. 5x² + 2x - 6 = 0     b.   a. 5x² + x = 3        c.   a. x² = 3x - 74          d.   a. 2x - 6=5x²

 

• a. 5x² + 2x - 6 = 0

• b.   a. 5x² + x = 3

• c.   a. x² = 3x - 74

• d.   a. 2x - 6=5x²