Parabolas Graphs Standard Vertex Intercept Form

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

How can you tell whether a parabola opens up or opens down by looking at the equation?

• The vertex tells you the direction of the opening

• The value of "a" tells you the direction of the opening.

• All parabolas open upward

• All parabolas open downward

Which is the correct graph of the function:

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

Find the y-intercept y = x² - 6x + 5

• (0, 8)

• (0, - 6)

• (5, 0)

• (0, 5)

Tags

CCSS.HSF-IF.C.7A

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

• up

• down

• Neither; it opens to the right.

• Neither; it opens to the left.

Tags

CCSS.HSF-IF.C.7A

What is the name of this form:
y = ax² + bx + c

• vertex form

• standard form

• factored form

• zero form

What is the standard form of a quadratic equation?

• f(x)=x

• f(x)=x²

• f(x)=ax²+bx+c

• f(x)=a(x-h)²+k

The axis of symmetry for the function -x²+10x-17 is 5. What is the vertex?

• (-5, 8)

• (5,8)

• (8,5)

• (-8,5)

The axis of symmetry for the function 2x²+8x+2 is -2. What is the vertex?

• (-2, -6)

• (-6, -2)

• (2, 6)

• (6, 2)

Does this question have a maximum or a minimum?

• Maximum

• Minimum

Tags

CCSS.HSF-IF.C.7A