What is a linear equation?

A linear equation is an equation that makes a straight line when graphed, typically in the form y = mx + b.

What is the difference between independent and dependent variables?

The independent variable is the one that is changed or controlled in an experiment, while the dependent variable is the one that is measured or affected.

What does it mean for a function to be one-to-one?

A function is one-to-one if each output is produced by exactly one input, meaning no two different inputs produce the same output.

How do you identify the slope from a graph?

To identify the slope from a graph, select two points on the line, count the vertical change (rise) and the horizontal change (run), and divide rise by run.

What is the standard form of a linear equation?

The standard form of a linear equation is Ax + By = C, where A, B, and C are integers, and A should be non-negative.

What is a coordinate plane?

A coordinate plane is a two-dimensional surface formed by the intersection of a horizontal line (x-axis) and a vertical line (y-axis).

What is the significance of the point (0,0) in a coordinate plane?

The point (0,0) is known as the origin, where the x-axis and y-axis intersect, serving as the reference point for all other points.

How do you graph a linear equation?

To graph a linear equation, find the y-intercept, plot it on the graph, use the slope to find another point, and draw a line through the points.

MOY Review

Flashcard

•

Mathematics

•

8th Grade

•

Practice Problem

•

Hard

•

CCSS

8.EE.B.5, 5.G.A.1, 8.F.A.1

Standards-aligned

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15 questions

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FLASHCARD QUESTION

Front

What is a function?

Back

A function is a relation between a set of inputs and a set of possible outputs where each input is related to exactly one output.

Tags

CCSS.8.F.A.1

FLASHCARD QUESTION

Front

What is the slope of a line?

Back

The slope of a line is a measure of its steepness, calculated as the rise over the run between two points on the line.

Tags

CCSS.8.EE.B.5

FLASHCARD QUESTION

Front

How do you convert a repeating decimal to a fraction?

Back

To convert a repeating decimal to a fraction, let x equal the decimal, multiply by a power of 10 to shift the decimal point, and then solve for x.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

FLASHCARD QUESTION

Front

What is the equation of a line in slope-intercept form?

Back

The equation of a line in slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

FLASHCARD QUESTION

Front

What does it mean for a system of equations to have no solution?

Back

A system of equations has no solution when the lines represented by the equations are parallel and never intersect.

Tags

CCSS.8.EE.C.8A

FLASHCARD QUESTION

Front

What is the y-intercept of a line?

Back

The y-intercept of a line is the point where the line crosses the y-axis, represented as (0, b) in the equation y = mx + b.

FLASHCARD QUESTION

Front

How do you find the slope between two points?

Back

The slope (m) between two points (x1, y1) and (x2, y2) is calculated using the formula m = (y2 - y1) / (x2 - x1).

Tags

CCSS.8.EE.B.5

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