Quadratic Equation

Solve by taking square roots:
4m² - 100 = 0

• m = -25, 25

• m = -10, 10

• m = -5, 5

• m has no real solutions

Tags

CCSS.HSA-REI.B.4B

What is the vertex of
f(x) = 2(x - 5)² + 12

• (-5, -12)

• (5,-12)

• (5, 12)

• (-5, 12)

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

Solve using square roots
7x² + 6 = 13

• x = 1

• x = -7 & 7

• x = -1 & 1 

• x has no real solutions

Tags

CCSS.8.EE.A.2

Which of the following is quadratic equation?

• x³-5x+6 = 0

• 6x^2 + 11x - 35 = 0

• -4x - 7x +12 = 0

• 2x⁴ - 4y - 2 = 0

ax²+bx+c=0  is the standard form of a quadratic equation.

• True

• False

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

Identify c of the quadratic equation:

x ² + 16x + 64=0

• 2

• 1

• 16

• 64

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

What is the standard form of the quadratic equation x² -2x = 5 ?

• x² - 2x + 5 = 0

• x² -2x - 5 = 0

• x² +2x - 5 = 0

• x² +2x + 5 = 0