Quadratic Post Test Review

Quadratic Post Test Review

Topics: Graphing, radicals, solving, factoring, quadratic formula, word problems​.
LI: To interpret quadratic equations graphically and algebraically.

Post Test

The Post Test will cover all topics from the quadratics unit.
It will be counted as a SUMMATIVE ASSESSMENT grade on MP3!
Use this Quizizz to prepare for this final quad test.

Fill in the Blank

What is the axis of symmetry?

 y = (x - 7)² + 5 

Fill in the Blank

Does this parabola open up or down?

 y = (x - 7)² + 5 

Fill in the Blank

Will this parabola have a maximum or minimum? Spell the entire word.

 y = (x - 7)² + 5 

Multiple Choice

What is the y - intercept?

 y = (x - 7)² + 5 

• (0, 5)

• (0, -5)

• (0, -44)

• (0, 54)

Multiple Choice

Which graph matches  y = (x - 7)² + 5?

Multiple Choice

Determine if the function graphed has a maximum or a minimum value and identify that value.

• maximum at -1

• minimum at -1

• maximum at 4

• minimum at 4

Multiple Choice

Does
y = -4x²
have a maximum or minimum value?

• maximum
• minimum

Multiple Choice

Does the equation have a max or min?
y = 2x² + 7x + 5

• max
• min

Multiple Choice

What do we call the highest or lowest point of a quadratic?

• parabola
• vertex
• graph
• point

Multiple Choice

The a value of this graph is

• negative

• positive

• impossible to tell

• 0

Multiple Choice

What is the minimum value of the quadratic function?

• -3

• -1

• All real numbers

• 1

Finding the vertex of a standard form quadratic equation.
Remember the vertex is also the ..... maximum or minimum.

​

Multiple Choice

What is the vertex of the quadratic function:
y = x² - 6x + 11?

• (3,2)
• (-3,-2)
• (-3,2)
• (3,-2)

Multiple Choice

Which is the vertex of y = x²+ 16x + 71 ?

• V(-8, 7)

• V(-8, 3)

• V(8, 10)

• V(16, -2)

Simplifying
Radicals
Don't forget...

Multiple Choice

√24 =

• 4√6

• 2√6

• 6√2

• 2√12

Multiple Choice

√28 =

• 7√2

• 7√4

• 4√7

• 2√7

Multiple Choice

√125 =

• 5√5

• 25√5

• 5√25

• 5√2

Multiple Choice

√216 =

• 6√4

• 4√6

• 36√6

• 6√6

Multiple Choice

Simplify.

• -5i
• 5
• 5i
• -5

Multiple Choice

√(-300)

• 10i√3
• 15√15
• -10√3
• 2i√13

Solving Quadratics with Square Roots

Multiple Choice

Solve

2x² +11= -9

• ±3i

• ±i√10

• √10

• ±2i√5

Multiple Choice

 x² - 81 = 0

• x = 11, -11
• x =±9
• x = 7, -7
• x=±9i

Multiple Choice

Solve
(x-5)² = 25

• ±i0
• ±10
• 10, 0
• -10, 0

Multiple Choice

Find the roots:  $$5x^2+20=180$$  

• 4 and - 2

• $$\pm2\sqrt{4}$$  

• $$\pm4\sqrt{2}$$  

• no real solutions

Multiple Choice

(x + 4)² = 36

• 2 and -10

• 2 and 8

• 2 and - 2

• no real solutions

Multiple Choice

Solve: (2x - 1)² = 49

• 7 and - 7

• 3 and -4

• 4 and -3

• no real solutions

Remember
SLIP
SLIDE
DIVIDE

​

Solve By Factoring

Multiple Choice

Solve by factoring:  2x²+ 7x + 6 = 0

• x= 3/2 and x = 2
• x = -3/2 and x = -2
• x = 6 and x = 7
• x = -6 and x = -7

Multiple Choice

Solve by factoring: x² - 9x + 20 = 0

• x = -4 and x = -5
• x = 20 and x = -9
• x = 4 and x = 5
• x = -4 and x = 5

Multiple Choice

Solve by factoring: 5x² + 13x + 6 = 0

• x = -2 and x = -3/5
• x = 2 and x = 3/5
• x = -2 and x = 3/5
• x = 2 and x = -3/5

Multiple Choice

• A
• B
• C
• D

Multiple Choice

• A
• B
• C
• D