Algebra Exam Review Day 3 (Quadratics)

Which graph is a parabola?

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

How can you tell whether a parabola is facing up or facing 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

Tags

CCSS.HSF-IF.C.7A

The X axis goes...

• Horizontally, or across
• Vertically, or up and down

Tags

CCSS.5.G.A.1

The Y axis goes...

• Vertically, or up and down
• Horizontally, or across

Tags

CCSS.5.G.A.1

Which letter in a equations y = ax² + bx + c represents the y-intercept?

• a

• b

• c

What is the y-intercept of the parabola y = 5x² -2x - 3

• 5

• 3

• - 3

• -5

Tags

CCSS.HSF-IF.C.7A

Which equation shows a Vertical Stretch?

• y = x² + 1

• y = 7x² - 1

• y = 0.5x² + 1

• y = x²

Which equation shows a vertical shrink?

• y = 0.5x² + 2

• y = x²

• y = 10x² + 7

• y = - 3x² - 2

The axis of symmetry is a line that goes through the...

• y-intercept
• any random point
• vertex
•  x-axis or y-axis

Which of the following equations matches standard form of a quadratic?

• ax + by = c
• y = a(x - h)² + k
• y = ax² + bx + c
• y = mx + b