Quadratic Graphs Review

Find the vertex of
y = x² - 10x + 3.

• (-10, 3)
• (5, -22)
• (-5, 78)
• (10, 3)

Find the axis of symmetry of
y = -2x² + 12x - 10

• x = -10
• x = -12
• x = 6
• x = 3

Find the vertex of 
f(x) = -x² - 4x + 12.

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)

In order to graph a quadratic equation in standard form, the first two steps are to use the equation _____ to find the axis of symmetry, and then you can plug that value back into the equation to find the _____.

• -b/2a, vertex

• (x-h)^2, y-intercept

• (x-r1), solution

• ax^2, vertex

Tags

CCSS.HSF-IF.C.7A

What does  
x=-b/2a find?

• vertex
• y-intercept
• slope
• axis of symmetry

What is a vertex?

• where the graph crosses the x-axis
• the y-intercept
• the maximum or minimum of the graph
• where the slope is vertical

Use the graph to determine the solutions.

• -1 and -3
• 1 and -3
• 1 and 3
• -1 and 3

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

• up
• down

Tags

CCSS.HSF-IF.C.7A

Without using a graphing calculator:  What direction is the following equation opening?
y=-3x²-7x+8

• Up
• Down

Tags

CCSS.HSF-IF.C.7A

What equation matches the following graph?

• y=-x²-8x+6
• y=x²-8x+6
• y=x²+8x-6
• y=x²-8x+11

Tags

CCSS.HSF-IF.C.7A