Big Ideas Algebra 1 Chapter 1

• -5
  

• 5

• 16

• 20

• 25

• 105, Two Real Solutions

• 83, Two Real Solutions

• 65, Two Real Solutions

• 49, Two Real Solutions

Solve    2x² + 7x - 15 = 0

• -1.5 or 5

• No Solution

• -5 or 1.5

• 0.7 or 5

Solve Using the Quadratic Formula
 x² + 4x - 40 = -8

• -10 & -4

• -4 & 10

• -8 & 4

• 8 & -4

Solve using square roots.
5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no solution

Solve for x: x² - 3x + 10 = 0

• x = -3±i√31

• x = (3±√49)/2

• x = 5, -2

• x = (3±i√31)/2

Identify the solution to the system graphed here.

• (0, 4) and (0, -2)

• (2, -2)

• (0 4)

• No solution

Heather dropped a water balloon over the side of her school building from a height of 80 feet. The approximate height of the balloon at any point during its fall can be represented by the following quadratic equation: h = -16t² + 80 About how long did it take for the balloon to hit the ground?

• 1.73 seconds

• 2.24 seconds

• 2.45 seconds

• 2.83 seconds

An equation that can be written in the form y = mx + b, where m and b are constants

• extraneous solution

• equivalent equations

• linear equation in one variable

• absolute value equation

An equation that has two or more variables

• extraneous solution

• equivalent equations

• inverse operation

• literal equation