Quadratic Equation Graphs

Does the equation open up or down? 
Y = -3x² +7x - 2

• up

• down

• both 

• neither

Tags

CCSS.HSF-IF.C.7A

What is the vertex of function

f(x) = 3(x+4)²-8? Write your answer as a coordinate (x,y)

What piece of information does c identify in the following equation?
y=ax²+bx+c

• Zeroes

• Axis of Symmetry

• Direction

• y-intercept

What are the
x-intercepts 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.HSF-IF.C.7C

Convert to vertex form: f(x) = x² + 10x + 24

• f(x) = ( x - 5 )² + 1

• f(x) = ( x + 5 )² - 1

• f(x) = ( x - 5 )² - 1

• f(x) = ( x + 5 )² + 1

What is the vertex of the function

f(x) = -x²+8x-10? Write your answer as a coordinate (x,y)

Which equation is shown?

• y = (x-2)²

• y = (x+2)²

The graph shows the function f(x)=x² in blue and another function g(x) in red.  Which could be the equation for g(x)?

• g(x) = 2x²

• g(x) = 1/2x²

• g(x) = x² + 2

• g(x) = (x + 2)²

The graph shows the function f(x)=x² in blue and another function g(x) in red.  Which could be the equation for g(x)?

• g(x)=3x²

• g(x)=1/3x²

• g(x) = x² - 3

• g(x) = (x-3)²

Name the parent function.

• linear

• quadratic

• cubic

• logarithmic