Video Answers

Adding and Subtracting Polynomials: 24x+10

Adding and Subtracting Radicals with Variables: 0

Adding and Subtracting Radicals: 33√7

Advanced Exponent Rules: 1,048,579

Basic of Functions: Vertical Line Test: not a function

Basics of Functions: Mapping: Yes, it is a function. 24x + 10

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

Box-and-Whiskers Plot: 22

Combining Like Terms: 9a² + 16a - 15

Compound Transformation Example 1: (-4,-3)

Compound Transformation Example 2: (-4,-3)

Compound Transformation Example 3: (-3,4)

Compound Transformation Example 4: (4,3)

Compound Transformation Example 5: (-1.5,-2)

Dimensional Analysis using the Metric System: 1.5kg/hour

Dimensional Analysis: 17.045 mph

Dividing Radicals-Rationalizing the Denominator: 5√2

Divisibility Rules: 1, 2, 3, 4, 5, 6, 8, 9, 10 (NOT 7)

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

Equation with Two Variables (Substitution Method): 11 and 14

Equation with Two Variables: Elimination Method: tires cost $125, windshield wipers cost $24

Factoring Binomials: 8x²(9x⁵ + 1)

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

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

Factoring the Difference of Two Perfect Squares: Perfect Square Binomials: (x+10) (x-10)

Factoring Trinomials (when “a” is 1): x=4

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

Finding the Roots of a Function: Zeros of a Function: x = -4

Function Transformation (Parabolas and Cubic Functions): The parabola becomes more narrow than the parent function.

Function Transformation Parabola: f(x) = 2x²+2

Geometry Vocabulary: I and P; J and O

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

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

Graphing Linear Equations in Standard Form: b

How to Calculate the Mean: 5

How to Calculate the Median: 13

How to Calculate the Mode: 9

How to Calculate the Range: Set A

How to Find the Roots of a Function in Math: x = -4

How To Perform a Transformation in Math: Reflections

How to Perform a Transformations in Math: Reflection across the Y-axis

How to Perform Dilations in Math: A' = (-2,1)

How to Perform Reflections in Math: A' = (4,2)

How to Perform Rotations in Math: (-2,-3)

How to Perform Translations in Math: 7 units to the left and 7 units up

How to use the Pythagorean Theorem: c = 13

Inequalities in 2 Variables: 4

Linear Equations in 1 or 2 Variables: What’s the Difference?: Answers will vary.

Mean Absolute Deviation Final: 2.8

Multiplying and Dividing Polynomials-FOIL: 72x² + 22x - 2ft²

Multiplying and Dividing Radicals with Variables: x√3

Multiplying Radicals: 396√3

Parallel Lines and Transversal: x = 87

Pythagorean Theorem and the Distance Formula: c =35

Simplifying Radical 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.

Simplifying Radical Expressions: 6

Solving Inequalities: m < -3.5

Solving Quadratic Equation Using the Quadratic Formula: x = ⅕

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

Solving Systems of Inequalities: The 2 lines are b and c.

Solving Using the Quadratic Formula Video 1: x= -2 and x= 5 

Solving Using the Quadratic Equation Video 2: x = 1 and x = -4/6

Solving Using the Quadratic Equation Video 3: x = 1 and x = -1

The Quadratic Formula vs. Factoring (a-1): x = 2/8 and x = -2

The Quadratic Formula vs. Factoring (a=1): x = 1 and x = -7

Triangle Theorem ASA: Yes

Triangle Theorem SAS: Yes

Triangle Theorem SSS: Scale factor of 3