1/28/22 Solve Quadratics

Use the graph to determine the solutions.

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

Does y = -4x² have a maximum or minimum value?

• maximum
• minimum

Does this graph in the back have maximum or minimum value?

• maximum
• minimum
• neither
• both

What's the axis of symmetry of y=3x²-6x+4

• x=1
• x=-6
• x=2
• x=-1

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

• up
• down

Does the equation have a max or min?
y = 2x² + 7x + 5

• max
• min

15f) Determine the line of symmetry.  y = x²+16x+64

• x=4
• x=2
• x=-8
• x=64

The solutions of a quadratic equation are known as the _____.

• Vertices
• Roots
• Squares
• Formulas

What is the axis of symmetry?

• the slope of the graph
• the dividing line for a parabola
• a way to spin my pencil
• the x-axis

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3
• a = 4, b =-8, c =-3
• a = 4, b = 8, c = 3
• a = 4, b = 8, c = -3