Quadratic Equations Challenge By: Remas Joudeh

What is the "c" of this equation? y = 3x² + 7x + 11

• 3

• 7

• 11

• there is no c

the solutions for the quadratic equation

x2+9x+18=0 are

• x=-6 or x=-3

• x=7 or x=-2

• x=-6 or x=-4

• x=6 or x=3

What is the "b" of this equation? y = 5x² - 8x + 12

• -8

• 5

• there is no b

• 12

Solve the quadratic equation by factoring: x^2 + 3x - 4 = 0

Answer explanation

x = -4 or x = 1

The solutions of the quadratic equation x²+12x+35=0 are

• x = -5 or x = 7

• x = -5 or x = -7

• x = 5 or x = 7

• x = -9 or x = 7

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

• True

• False

Solve the quadratic equation by factoring: x^2 - 7x + 10 = 0

• x = 2 or x = 5

• x = -2 or x = 5

• x = -2 or x = -5

• x = 2 or x = -5

Solve the quadratic equation by factoring: 2x^2 - 5x - 3 = 0

• x = -1/2 or x = 3

• x = 1/2 or x = 3

• x = -1/2 or x = -3

• x = 0.5 or x = -3

Solve the quadratic equation by factoring: x^2 + 5x = 0

• x = 0 or x = -5

• x = 0 or x = 0

• x = 0 or x = 5

• x = 5 or x = -5

Solve the quadratic equation by factoring: 2x^2 + 7x - 4 = 0

• x = 1/2 or x = 4

• x = -1/2 or x = -4

• x = 1/2 or x = -4

• x = -1/2 or x = 4