Quiz 2--Graphing ALL types of Quadratics

 $h\left(t\right)=-16t^2+48t+8$  Which of the following is the Axis of Symmetry for the graph formed by the function

• x=3

• x=-3

• x=1.5

• x=-1.5

 $f\left(x\right)=-x^2-7x-12$  When using the formula to find the Axis of Symmetry for the parabola formed by the equation

•  $x=-\frac{\left(7\right)}{2\left(-1\right)}$  

•  $x=-\frac{\left(-7\right)}{2\left(-1\right)}$  

•  $x=\frac{7}{2\left(-1\right)}$  

•  $x=-\frac{\left(-7\right)}{2\left(1\right)}$  

Which of the following is true of the parabola formed by the equation

 $g\left(x\right)=-12x^2+35$  

• The Roots are above the Vertex

• The Y-intercept is below the roots

• The Y-intercept and the Vertex are the same

• There are no roots

Tags

CCSS.HSF-IF.C.7A

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• none of these

Which 'a-value' would produce the WIDEST parabola?

• a=4

• a= .25

• a= .75

• a=10

What is the axis of symmetry?
y = 3x² - 6x + 4

• x=1
• x=-6
• x=2
• x=-1

Find the Vertex: y= -5x² -20x - 26

• (-2, -6)

• (2, 6)

• (6,2)

• (3, 6)

Eliminator Question!!

Suppose that the equation V = 20.8x² – 458.3x + 3,500 represents the value of a car from 1964 to 2002. What year did the car have the least value? (x = 0 in 1964)

• 1965

• 1970

• 1975

• 1980

Which of the following equations has no "b-value" (or b=0)

• $f\left(x\right)=-4x^2-8x+2$

• $f\left(x\right)=-5x^2+200$

• $f\left(x\right)=-16x^2+48x$

• $f\left(x\right)=6x+8$

We have seen parabolas with "no b-value" and "no c-value"--which is true of a parabola with "no a-value--(a=0)"?

• It opens to the right

• It opens to the left

• It is linear

• It forms a circle