Solve Quadratics by Graphing and Square Root

What are the solutions? Check all that apply.

• -1

• 1

• 3

• no solution

What are the solutions? Check all that apply.

• 2

• no solution

• 3

• 4

What are the solutions? Check all that apply.

• -4

• 0

• no solution

• -2

What are the solutions? Check all that apply.

• -2

• no solutions

• -6

What is another way to say "where a function crosses the x-axis"? Select all that apply.

• x-intercept

• root

• zero

• y-intercept

• -2 and 3

• 2 and -3

• only 2

• only 3

• -2 and 2

• -1 and -4

• only -2

• only 2

Solve by taking the square root:

x² = 49

• -7

• 7

• 49

• ±7

x² -4 = 77

• 9

• -9

• No Real Solutions

• ±9

Solve by taking the square root:

4x² = 100

• ±10

• ±25

• ±5

• 5