Video Answers

Adding and Subtracting Polynomials: 24x+10

Adding and Subtracting Radicals: 33√7

Adding And Subtracting Radicals With Variables: 0

Advanced Exponent Rules: 1048579

Basics of Functions (Mapping): 24x + 10

Basics of Functions (Using a Table): f(x) = 4x + 1

Basics of Functions (Vertical Line Test): not a function

Box-and-Whiskers Plot:  22

Combining Like Terms: 9a² + 16a - 15

Difference of Two Perfect Squares: (x+10)(x-10)

Dilations: A' = (-2,1)

Dividing Radicals: 5√2

Dimensional Analysis: 17.045 mph

Dimensional Analysis (Metric System): 1.5kg/hour

Domain and Range:   Domain [-1, 3],   Range [-1, 3]

Factoring Binomials: 8x²(9x⁵ + 1)

Factoring Perfect Square Trinomials:  (5x-1)(5x-1)    or    (5x-1)²

Factoring Trinomials: (x+3)(x-8)

Factoring Trinomials Slide and Divide: (2x-3)(x+4)

Finding the Roots of a Function: x = -4

Graphing Linear Equations in Slope-Intercept Form: (0,-7)

Graphing Linear Equations in Point-Slope Form: (y-90)=100(x-1)

Graphing Linear Equations in Standard Form: b

Mean: 5

Mean Absolute Deviation: 2.8

Median: 13

Mode: 9

Multiplying and Dividing Polynomials: 72x² + 22x - 2

Multiplying and Dividing Radicals: 396√3

Multiplying and Dividing Radicals With Variables: x√3

Range: Set A

Reflections: A' = (4,2)

Rotations: (-2,-3)

Simplifying Radical Expressions: 6

Simplifying Radicals Expressions (as Fractions): ½

Simplifying Radical Expressions with Variables: 2xy√(3x)  The parenthesis are listed to clarify that both the 3 and x should be under the radical.

Solving Equations in 2 Variables (Elimination Method): tires cost $125, windshield wipers cost $24

Solving Equations in 2 Variables (Substitution Method): 11 and 14

Solving Inequalities: m < -3.5

Solving Inequalities with 2 Variables: 4

Solving Systems of Equations: x=30 and y=24 (or y=30 and x=24)

Solving Systems of Inequalities: b and c

Solving Inequalities in 2 Variables: 4

Transformations: Reflection

Translations: 7 units to the left and 7 units up

Linear Equations in 1 or 2 Variables (what's the difference): Answers will vary.

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