Long Test "Quadratic Equations and Inequalities"

Which one refers to a polynomial equation in the form ax² + bx + c = 0 where a, b, c are real numbers and a ≠ 0?

• Quadratic Equation

• Quadratic Polynomial

• Quadratic Inequalities

• Linear Equation

Janie has 4 less than 5 times the number of candy Brayden has. If c, represents the amount candy Brayden, which of the following shows how much candy Janie has?

• 5c – 4
• 4 – 5c
• 5 ( 4 – c )
• 4c + 5

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.C.9

The solutions of the quadratic equation
x²-5x+6=0 are

• x=1 or x=-6
• x=3 or x=2
• x=-3 or x= 2
• x=-1 or x=6

Tags

CCSS.HSA-REI.B.4B

To complete the perfect square trinomial in the expression x²-22x+_____, we need to add

• 11
• 44
• 121
• 144

Tags

CCSS.HSA-REI.B.4B

In the quadratic formula, the expression

b²-4ac is called

• discrimination

• determinant

• discriminant

• none of these

Solve the quadratic inequality:

 $x^2+11x+10\ge0$  

•  $x\le1\ ,\ \ x\ge10$  

•  $x\ge1\ ,\ \ x\le10$  

•  $1\le x\le10$  

•  $-1\le x\le11$  

Solve the quadratic inequality:

 $x^2-4x-5\le0$  

•  $-1\le x\le5$  

•  $-5\le x\le1$  

•  $x\ge5\ ,\ \ x\le-1$  

•  $x\le-5\ ,\ \ \ x\ge1$  

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Solve Using the Quadratic Formula
 x² + 4x - 40 = -8

• -10 & -4
• -4 & 10
• -8 & 4
• 8 & -4

Tags

CCSS.HSA-REI.B.4B

Solve by the Extraction of Roots method: (x - 2) ² = 49

• 9 or -5

• ± 9

• ± 5

• ± 7

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

It is similar to quadratic equation, except instead of an equal sign there’s an inequality sign.

• Linear Inequality

• Quadratic Equation

• Quadratic Inequality

• Quadratic Function

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3