The video tutorial covers linear and nonlinear relationships, explaining the differences between them. It discusses how to find the equation of a linear relationship by calculating the slope and y-intercept. The tutorial also demonstrates how to verify if a point is part of a linear graph using the equation. Key concepts include understanding bivariate data, identifying linear and nonlinear relationships, and solving linear equations.

What is bivariate data?

• Data involving one variable

• Data involving two variables

• Data involving three variables

• Data involving four variables

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CCSS.6.SP.B.5A

Which of the following is true about nonlinear relationships?

• They have a constant rate of change

• They create a non-straight line

• They are always proportional

• They always create a straight line

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CCSS.8.F.A.3

What type of graph represents a quadratic equation?

• A straight line

• A hyperbola

• A parabola

• A circle

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CCSS.HSF-IF.C.7A

What is the main difference between linear and nonlinear relationships?

• Neither have a constant rate of change

• Both have a constant rate of change

• Nonlinear relationships have a constant rate of change, while linear relationships do not

• Linear relationships have a constant rate of change, while nonlinear relationships do not

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CCSS.8.F.A.3

What is the first step in finding the equation of a linear relationship?

• Drawing the line

• Plotting the points

• Finding the slope

• Finding the y-intercept

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

If you have two points (4, 16) and (2, 10), what is the slope of the line?

• 2

• 3

• 4

• 5

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CCSS.8.EE.B.5

How do you find the y-intercept (b) once you have the slope?

• By using the formula y = mx + b and substituting one of the points

• By drawing the line and finding where it crosses the y-axis

• By calculating the average of the y-values

• By subtracting the x-values from the y-values

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CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the equation of the line with slope 3 and y-intercept 4?

• y = 3x + 4

• y = 4x + 3

• y = 3x - 4

• y = 4x - 3

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CCSS.8.EE.B.6

CCSS.8.F.A.3

How can you verify if a point lies on the line of a given linear equation?

• By checking if the point is on the x-axis

• By drawing the point on the graph

• By substituting the point into the equation and checking if both sides are equal

• By calculating the distance from the origin

Is the point (5, 19) part of the line represented by the equation y = 3x + 4?

• Yes, because 19 = 3*5 + 4

• No, because it lies on the y-axis

• Yes, because it lies on the x-axis

• No, because 19 ≠ 3*5 + 4