Intro to Graphs of Quadratics

Identify the vertex of the quadratic:
 $x^2-1$  

• (1,0)

• (-1,0)

• (0,1)

• (0,-1)

Does the following parabola open up or down?
 $x^2+2x+3$  

• Up

• Down

Tags

CCSS.HSF-IF.C.7A

 Identify the solutions (x-intercepts) of the following quadratic:
 $x^2-4x-12$ 

• x = 6 and x = -2

• x = 0

• x = -6 and x = 2

• No Solutions

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

 $-x^2+9$  Identify the vertex of the quadratic:

• (0, -3)

• (0, 3)

• (-9, 0)

• (9, 0)

 $-x^2+6x+8$  Does the following parabola open up or down?

• Up

• Down

Tags

CCSS.HSF-IF.C.7A

 $-x^2-5x-6$  Identify the solutions (x-intercepts) of the quadratic:

• x = 5 and x = 6

• x = 2 and x = 3

• x = -2 and x = -3

• x = 1 and x = 0

Identify the vertex of the parabola:
 $-x^2-2x$  

• (1,1)

• (1,-1)

• (-1,1)

• (-1,-1)

Does the parabola open up or down?
 $-x^2-2x$  
 

• Up

• Down

Tags

CCSS.HSF-IF.C.7A

 Identify the solutions (x-intercepts) of the quadratic:
 $x^2+11x+24$ 

• x = 3 and x = 8

• x = -3 and x = -8

• x = -5.5

• x = 0

Tags

CCSS.HSA-REI.B.4B

Identify the solution(s) of the parabola:
 $x^2$  

• x = 0

• x = 1 and x = -1

• No Solution

• x = 100