Hard Quadratic Equations

• YES

• NO

What are the values of a, b, and c in the quadratic equation 3x² - 10 = -4x

• a = 3x² b = -10 c = -4x

• a = 3 b = -10 c = -4

• a = 3 b = -4 c = -10

• a = 3 b = 4 c = -10

What is the positive solution to the equation 0 = (1/5)x² - 5?

• (1/5)

• 1

• 5

• -5

Tags

CCSS.8.EE.A.2

What are the solutions to 5( x - 3 )² = 45?

• x = 6 and x = 0

• x = -3 and x = 45

• x = -6.71 and x = 6.71

• x = -3 and x = 3

Tags

CCSS.HSA-REI.B.4B

What are the solutions for the equation 2x² + 16x = 18

• x = -1 and x = 9

• x = -9 and x = 1

• x = 2 and x= 18

• x = 2 and x = 16

Tags

CCSS.HSA-REI.B.4B

The area of a certain rhombus is given by the equation L² - 5L = 6 where l represents the length of the rhombus in centimeters. What is the length of the rhombus?

• 6 cm

• -6 cm

• 1 cm

• -1 cm

In the quadratic function x² - 6x + c what value of c would make q(x) a perfect square trinomial?

• 6

• 3

• 36

• 9

Tags

CCSS.HSA-REI.B.4B

Say 'TRUE' or 'FALSE'
A quadratic equation ax² + bx + c = 0 has equal roots, then b² - 4ac = 0 

• TRUE

• FALSE

Tags

CCSS.HSA-REI.B.4B

• a)
• b)
• c)
• d)

Tags

CCSS.HSA.REI.A.2

The Equation (x² + 1)² - x² = 0 has ___

• four real roots

• two real roots

• no real roots

• one real root