Chapter 9 Test Review

Identify the vertex of this graph.

• x=3

• (3, 2)

• (2, 3)

• ∞

Maximum or Minimum? How many solutions?

• Minimum; 2

• Maximum; 0

• Maximum; 2

• Minimum; 1

Identify the axis of symmetry.

• Undefined

• x = -4

• x = 4

• y= -4

Tags

CCSS.HSF-IF.C.7A

Solve by FACTORING: x² - 3x + 2 = 0

• x = -3, x = 2

• x = 3, x = -2

• x = -1, x = -2

• x = 1, x = 2

Tags

CCSS.HSA-REI.B.4B

Solve by FACTORING: 32x² + 2x = -2x (Hint: GCF & set equal to zero.)

• x = 0 & x = -1/8

• x = 32 & x = 2

• x = 0 & x = -1

• x = 4 & x = 1/8

Tags

CCSS.HSA-REI.B.4B

Solve using SQUARE ROOTS: 2x² - 50 = 0

• x = 2 & x = -50

• x = 25 & x = -25

• x = -5 & x = 5

• x = 5

Tags

CCSS.HSA-REI.B.4B

Solve w/ SQUARE ROOTS: 3x² + 26 = -1

• x = -27

• x = 3 & x = -3

• x = 3

• no solution

Tags

CCSS.8.EE.A.2

If the discriminant is ZERO, there are __________ solution(s).

• 0 (zero)

• 1 (one)

• 2 (two)

• infinitely many

Tags

CCSS.HSA-REI.B.4B

A table shows an EXPONENTIAL relationship if...

• the y values are multiplied by the same number each time.

• the x values increase.

• the y values get to a common second column of differences.

• the y values are added by the same number each time.

Tags

CCSS.HSF-LE.A.1A

What symbol do you need to have every time you take a square root?

• Infinity

• A line

• + & -

• Star

Tags

CCSS.8.EE.A.2