GED Review; Undefined Expressions

Undefined expressions

Think "Math Error" on the calculator, or "Impossible".

Multiple Choice

What is 33/0 ?

• 33

• 1

• 0

• undefined

Multiple Choice

What is 0/5 ?

• 5

• 1

• 0

• undefined

Fill in the Blank

The value of the denominator to make the expression undefined

Multiple Choice

For what value of a is the fraction undefined?

• a = 0

• a = 10

• a = 1

• a = -1

Multiple Choice

For which value is the expression undefined?

• -4
• -3
• 3
• 0

Multiple Choice

For what value(s) of x is the fraction undefined?

• x = 6

• x = 0

• x = -6

• x = -6, 9

Multiple Choice

For what value(s) of x is the fraction undefined? $$\frac{2x+1}{x-11}$$

• 11

• -11

• no restricitons

• 1/2

Multiple Choice

For what value(s) of x is the fraction undefined? $$\frac{3x+4}{2x}$$  

• -2

• 0

• -4/3

• no restrictions

Multiple Choice

For what value(s) of x is the fraction undefined? $$f\left(x\right)=\frac{3x}{x^2-121}$$  

• $$\left\{x\ne-6,5\right\}$$  

• $$\left\{x\ne121\right\}$$  

• $$\left\{x\ne11\right\}$$  

• $$\left\{x\ne-11,11\right\}$$  

Multiple Choice

For what value(s) of x is the fraction undefined?

• x ≠ 2

• x ≠ 2, 1

• x ≠ 2, -1

• x ≠ -2, 2, 1

Multiple Choice

For what value(s) of x is the fraction undefined?

• x = 5, -1

• x = -5, 1

• x = 5, 1

• x = -5, -1

Multiple Choice

For what value(s) of x is the fraction undefined? $$\frac{x-8}{2x-14}$$  

• 8

• 14

• no restrictions

• 7

Multiple Choice

Determine the undefined values.

• x = 0

• x = 2, 6

• x = -2, -6

• x = 0, -2, -6

Multiple Choice

Which value of x is not allowed in the expression

$$\frac{x^2-x-12}{x-5}$$  ?

• 0

• -3

• 4

• 5

Multiple Choice

For what value of x will the expression

$$\frac{x+2}{2x+4}$$  be undefined?

• -1/2

• -1

• -2

• -4

Multiple Choice

Simplify  -√64

• 8
• undefined
• -8
• √8

Multiple Choice

Simplify √-16

• Undefined

• -4

• 4

• -8

Multiple Choice

Simplify

• 6

• Undefined

• -√6

• -6

Multiple Choice

Simplify √-4

• Undefined

• -2

• -4

• -√4

Multiple Choice

• Undefined

• -1

• 1

• -√1

Mixed Review

This is a mashup of questions from the previous skills covered.

Multiple Choice

What is the absolute value of |-26|

• 26
• -26
• -36
• 36

Multiple Choice

Evaluate the expression.
|–5| + 8

• 3
• 13
• -13
• -3

Multiple Choice

What type of slope is this?

• Positive

• Negative

• Undefined

• Zero

Multiple Choice

What type of slope is this?

• Positive

• Negative

• Undefinced

• Zero

Multiple Choice

Workout; 4/0

• Positive

• Negative

• Undefined

• Zero

Explanation Slide...

A number decreased by 7 x - 7

Fill in the Blank

Write an algebraic expression for the description below using x as the variable:

A number Decreased By 7

Multiple Choice

What are the variables in the expression?
-4x + 6y - 2

• -4x, 6y, -2
• x, y
• 4x, 6y
• -2

Multiple Choice

What is 10³ ?

• 100

• 30

• 300

• 1000

Multiple Choice

How would you write 6x6x6x6 using an exponent?

• 4⁶

• 6⁴

• 24

• 1,296

Multiple Choice

Simplify: x + 3x + 6x + x

• 9x

• 11x

• 2x + 9x

• Can't be simplified

Multiple Choice

How many terms does this expression have?
-18y + 7yz - 4z

• -18
• 3
• 7
• -4

Multiple Choice

A coefficient is __________.

• the variable
• a constant
• an exponent
• the number that comes before the variable

Multiple Choice

A pizza has 5 pieces. Sara eats 3 of the pieces. What fraction of the pizza did Sara eat?

• 3/5
• 2/5
• 5/5
• 1/5

Multiple Choice

5 x 8

• 40
• 35
• 45
• 13

Fill in the Blank

-6 + 4

-

Multiple Choice

What is the area of this shape?

• 18cm
• 22cm²
• 18cm²
• 22cm

Multiple Choice

What is the perimeter of the fence?

• 25
• 30
• 35
• 40

Multiple Choice

Write 5% as a decimal

• 5
• .5
• .005
• .05

Multiple Choice

Identify the y-intercept of the equation
y=2x+5

• 2
• 5

Multiple Choice

Identify the slope of the Equation
y=5x+3

• 5
• 3

Multiple Choice

What type of slope is shown?

• positive

• negative

• zero

• undefined

Multiple Choice

What is $$\sqrt[]{36}$$  ?

• 36

• 6

• 18

• 72

Multiple Choice

What is $$4^2$$  ?

• 2

• 4

• 8

• 16