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Grade 9 Math: Linear Relations and Equations Independent Variables and Dependent Variables
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What is an independent variable?
a variable whose variation does depend on that of another.
a variable whose variation does not depend on that of another.
a constant whose variation does not depend on that of another.
a constant whose variation does depend on that of another.
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True or false? A dependent variable is a variable whose value depends on that of another.
True
False
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What is the independent variable in this equation? $$y=2x^{2}=4x-34$$
x
y
4x
-34
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What is the dependent variable in this equation? $$y=2x^{2}=4x-34$$
x
y
-34
none of the above
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What is the independent variable in this equation? $$144=12\times12$$
144
12
does not exist
none of the above
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Grade 9 Math Playlist
36 Videos
03:58:53
167 Questions
0 Notes
Rational Numbers, Exponents, and Polynomials
Introduction to Variables
Algebraic Expressions (Coefficients, Constants, Variables, Operators)
Linear Relations and Equations
Intro to Exponents
Product Rule for Exponents
Quotient Rule for Exponents
Power of a Power Rule
Rational Exponents
Exponents of 0 and 1, Negative Exponents, and Negative Bases
Terms and Collecting Like Terms
Polynomials (Monomials, Binomials, Trinomials, Degrees of Terms and Degrees of Polynomials)
Distributive Property
Intro to Factoring
Solving Simple Equations
Solving Multistep Linear Equations
Independent Variables and Dependent Variables
Slope-Intercept Form, Y-intercept, and X-intercept
Point-slope Form, Linear Equations
Using 2 points of a Linear Equation in Slope-intercept Form
Parallel Lines and Perpendicular Lines
Direct Variation
First Differences
Intro to Lines
Intro to Geometry
Polygons
Different Types of Triangles
Interior and Exterior Angles
Quadrilaterals and Congruence
Midpoint, Midsegment, and Medians of Triangles
Midpoints and Diagonals
Pythagorean Theorem
Area of a Triangle
Area of a Composite
Prisms
Pyramids
Surface Area of a Cone
Volume of a Cone
Surface Area of a Sphere