Cycle 2 Quiz 4 Practice

• F

• G

• H

• J

• F

• G

• H

• J

• A

• B

• C

• D

• A

• B

• C

• D

What is the domain of the graph?

• All real numbers
• To infinity and beyond
• y ≥ -1
• x ≥ 0

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain of the parabola created by the ball?

• Domain : 0 ≤ d ≤ 280
• Domain : 0 ≤ h ≤ 150
• Domain : 0 ≤ d ≤ 570
• Domain : 0 ≤ h ≤ 280

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Convert the following equation into intercept form: $f\left(x\right)=4x^2+16x-48$

• $f\left(x\right)=4\left(x+6\right)\left(x-2\right)$

• $f\left(x\right)=4\left(x-6\right)\left(x+2\right)$

• $f\left(x\right)=\left(x+24\right)\left(x-8\right)$

• $f\left(x\right)=\left(x-24\right)\left(x+8\right)$

A ball is launched upward from a 60ft platform. Its trajectory (path in the air) is modeled by the equation:
$h\left(t\right)=-8t^2+40t+30$
Which of the following points can we use to find the maximum height?

• y-intercept
  

• x-intercept

• axis of symmetry

• vertex

A ball is launched upward from a 60ft platform. Its trajectory (path in the air) is modeled by the equation:
 $h\left(t\right)=-8t^2+40t+30$  
How long does it take for the ball to reach its maximum height?

• 1 second

• 2.5 seconds

• 80 seconds

• 30 seconds

We have the function  $g\left(x\right)=x^2-6x-7$  
Which of the following is the axis of symmetry for this function?

• y=3

• x=3

• x= -16

• y= -16