Module 4 Review

What should you do first in solving this equation?

x² + 6x - 13 = 3

• Get factored form

• Write down: a=1, b=6, c=-13

• subtract 3 on both sides of the equation

• Type it all in a calculator.

Identify the solution(s).

• $-4$

• $2$

• $-16$

• $-2$

• $16$

Identify the solutions

• ±81

• ±9

• ±3

• No real solution

Identify the solution(s).

•  $\pm\frac{3}{2}$ 

•  $\frac{3}{2}$  

•  $\pm1$  

• No real solution

•  $-\frac{3}{2}$  

Which best describes the vertex of a parabola?

• Any point on the parabola.
• A point on the x-axis.
• The highest or lowest point of a parabola
• A point on the y-axis.

What is the vertex?

• (4,-4)
• (2,0)
• (0,2)
• (6,0)

Tags

CCSS.HSF-IF.C.7A

Which word is NOT a synonym for x-intercept?

• zero
• y-intercept
• solution
• root

If the vertex of a parabola is (3,5), what is the axis of symmetry? 

• y=5
• x=5
• x=3
• There is not enough information provided. 

Does y = -4x² have a maximum or minimum value?

• maximum
• minimum

Tags

CCSS.HSF-IF.C.7A

Solve
4m² - 100 = 0

• m=25, -25
• m=96
• m=5, -5
• m=-96

Tags

CCSS.8.EE.A.2