Solving and Graphing Quadratics REVIEW

Mrs. Martone's 7th grade science class built and launched rockets. The graph below shows the height, in feet, over time, in seconds, of a student's rocket. Use the graph to answer the questions below. How long was the rocket in the air?

• 1 second

• 7 seconds

• 14 seconds

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

 $b^2+8b-33=0$  

•  $\left\{8,-33\right\}$  

•  $\left\{3,-11\right\}$  

•  $\left\{3,11\right\}$  

•  $\left\{-11,-3\right\}$  

Tags

CCSS.HSA-REI.B.4B

 $n^2+3n=0$  

•  $\left\{-3,0\right\}$  

•  $\left\{3,0\right\}$  

• No Real Solution

•  $\left\{-3,-1\right\}$  

Tags

CCSS.HSA-REI.B.4B

 $5x^2-12=17x$  

•  $\left\{-3,20\right\}$  

•  $\left\{-\frac{3}{5},\ 4\right\}$  

•  $\left\{-4,\ \frac{3}{5}\right\}$  

•  $\left\{-20,3\right\}$  

Tags

CCSS.HSA-REI.B.4B

3x² = 12

• ± 2
• 2
• ± √12
• ± 4

Tags

CCSS.8.EE.A.2

7x² + 1 = 8

• ± 1
• ± 7
• ± √7
• ± 8

Tags

CCSS.8.EE.A.2

6x²-x-2=0

• x= -2/3, 1/2

• x= 2/3, -1/2

• x= -2/3, -1/2

Tags

CCSS.HSA-REI.B.4B

What are the roots of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3
• x = 2 or x = -3
• The are no real roots
• x = 2 or x = 3

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A