Quiz about Most Appropriate Method to Solve Quadratic Equations

Question 1

What is the most appropriate method to solve the following?

2x² + 17x + 20 = 0

Accepted Answer

Quadratic Formula

Answer

Completing the Square

Answer

Factoring

Answer

Square Root Method

Question 2

Which is the most appropriate method for solving?

a² + 2a - 24 = 0

Accepted Answer

Factoring

Answer

Completing the Square

Answer

Square Root Method

Answer

Quadratic Formula

Question 3

Which methods can be used to solve the following? (mark all that apply.)

Accepted Answer

Completing the Square

Accepted Answer

Factoring

Accepted Answer

Quadratic Formula

Answer

Square Root Method

Question 4

Which methods can be used to solve. (mark all that apply.)

4m² - 100 = 0

Accepted Answer

Square Root Method

Accepted Answer

Factoring

Accepted Answer

Quadratic Formula

Accepted Answer

Completing the Square

Question 5

Decide on the best method:
2x² - 7x + 2 = 0

Accepted Answer

Quadratic Formula

Answer

Square Root Method

Answer

Factor Method

Answer

Complete the Square

Question 6

Decide on the best method:
3a² + 13a = -4

Accepted Answer

Quadratic Formula

Answer

Square Root Method

Answer

Factor Method

Answer

Complete the Square

Question 7

Decide on the best method:
x² - 3x - 54 = 0

Accepted Answer

Factor Method

Answer

Square Root Method

Answer

Complete the Square

Answer

Quadratic Formula

Question 8

Which method of solving quadratics would you use to solve the following:

Accepted Answer

Square Roots

Answer

Completing the Square

Answer

ZPP

Question 9

Which method is the best method to solve the following: $$0=2x^{2 extrm{ }-100}$$

Accepted Answer

Square Root Property

Answer

Factoring

Answer

Completing the Square

Answer

Quadratic Formula

Question 10

Decide on the best method:
x² + 2x = -9

Accepted Answer

Complete the Square

Answer

Square Root Method

Answer

Factor Method

Answer

Quadratic Formula

Question 11

What is the most appropriate method for solving: k² - 12 = 43

Accepted Answer

Square Root Method

Answer

Completing the Square

Answer

Factoring

Answer

Quadratic Formula

Question 12

What is the best method for solving the following?

m²-10m=0

Accepted Answer

Factoring

Answer

Completing the Square

Answer

Square Root Method

Answer

Quadratic Formula

Question 13

How many solutions does the equation 4x² + 4x + 1 = 0 have?

Accepted Answer

1

Answer

0

Answer

2

Answer

More than 2

Question 14

What is the most appropriate method for solving:

(x + 1) ² = 25

Accepted Answer

Square Root Method

Answer

Completing the Square

Answer

Factoring

Answer

Quadratic Formula

Question 15

Use Quadratic Formula to solve:

Accepted Answer

$$x=\frac{5}{3}\ and\ x=-1$$

Answer

$$x=\frac{1\pm\sqrt{265}}{12}$$

Answer

$$x=\frac{2\pm8}{6}$$

Answer

$$\left(3x-5\right)\left(x+1\right)$$

Question 16

Solve by using the best method (factoring, completing the square, or taking square roots):

3x² - 36x = 39

Accepted Answer

13 or -1

Answer

6 or -6

Answer

1 or -13

Answer

36 or -39

Question 17

What is the most appropriate method for solving the following quadratic? $$5\left(x+3\right)^2+9=19$$

Accepted Answer

Isolation (Square Roots)

Answer

Factoring

Answer

Completing the Square

Answer

Quadratic Formula

Question 18

Solve the following Quadratic: $$2x^2+4x-7=x^2-2x$$

Accepted Answer

x = 1 and x = -7

Answer

x = -7 and x = -1

Answer

x = -5 and x = 2

Answer

x = -2 and x = 5

Question 19

What is the first step to solving THIS equation by completing the square?
a² + 10a + 21 = 0

Accepted Answer

Subtract the 21

Answer

Set the equation equal to zero

Answer

Divide 10 by 2 and add the result to both sides

Answer

Add a² and 10a together

Most Appropriate Method to Solve Quadratic Equations

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