Factoring and Quadratics Vocabulary

Set up the equation using the QUADRATIC FORMULA -(​ (a)   ) ± √(​ (b)   )² - 4(​ (c)   ) (​ (d)   ) _______________________________ 2(​ (e)   ​ )​ ​ ​

• 8

• 1

• -2

• x

• 2

• -8

• 0

Tags

CCSS.HSA-REI.B.4B

Solve the equation by using the QUADRATIC FORMULA

Tags

CCSS.HSA-REI.B.4B

Match each Unit 4 vocabulary word to its definition.

• Discriminant

• "b²-4ac" in the Quadratic Formula. It determines the number and type of roots/solutions.

• Leading Coefficient

• The largest number that divides evenly into two or more given numbers without leaving a remainder

• Quadratic Equation

• An equation where the highest exponent of the variable is a square.

• Trinomial

• The "a" in

  ax² + bx + c = 0

• "GCF"

• An algebraic expression that consists of three distinct terms

Tags

CCSS.HSA-REI.B.4B

Find the discriminant, then use it to determine the number of solutions the following quadratic equation has. -2x² − x + 1 = 0

• 76; Two Real Solutions

• -7; Two Complex/Imaginary Solutions

• 9; Two Real Solutions

• 0; One Real Solution

Tags

CCSS.HSA-REI.B.4B

Factor:
x² + 5x - 24

• (x - 8)(x + 3)

• (x + 8)(x - 3)

• (x + 6)(x - 4)

• (x + 12)(x - 2)

x² + 11x + 24

• (x + 6)(x + 4)

• (x + 12)(x + 2)

• (x - 8)(x - 3)

• (x + 8)(x + 3)

What do the "Zeros" represent on a quadratic equation graph?

• x-intercepts

• y-intercepts

• vertex

• focus

Tags

CCSS.HSF-IF.C.7A

Does the quadratic have a maximum or minimum vertex, and does the parabola open up or down?

• max/ opens down

• min/ opens up

• max/ opens up

• min/ opens down

Tags

CCSS.HSF-IF.C.7A

3v² - 8v + 5

• (3v + 5)(v - 1)

• (3v - 5)(v + 1)

• (3v - 5)(v - 1)

• (3v + 5)(v + 1)

Where is the axis of symmetry for this parabola?

• x = −1

• x = 0

• y = 3

• x = −3

Tags

CCSS.HSF-IF.C.7A