What is the first step in solving for a variable in an equation?

Isolate the variable on one side of the equation.

How do you isolate a variable in an equation?

Use inverse operations to move other terms to the opposite side of the equation.

What is the inverse operation of addition?

The inverse operation of addition is subtraction.

What is the inverse operation of multiplication?

The inverse operation of multiplication is division.

What is the formula for the area of a rectangle?

The area A is given by $$A = l \times w$$ , where l is the length and w is the width.

What is the formula for the perimeter of a rectangle?

The perimeter P is given by $$P = 2(l + w)$$ , where l is the length and w is the width.

What is the formula for the slope of a line given two points (x1, y1) and (x2, y2)?

The slope m is given by $$m = \frac{y2 - y1}{x2 - x1}$$ .

Rearranging Formulas Practice

Flashcard

•

Mathematics

•

9th Grade

•

Practice Problem

•

Hard

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16 questions

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FLASHCARD QUESTION

Front

Solve for h in the equation: $A = bh$

Back

$h = \frac{A}{b}$

FLASHCARD QUESTION

Front

Solve for y in the equation: $6x + y = 10$

Back

$y = -6x + 10$

FLASHCARD QUESTION

Front

Solve for R in the equation: $pV = nRT$

Back

$R = \frac{pV}{nT}$

FLASHCARD QUESTION

Front

Solve for w in the equation: $P = 2(l + w)$

Back

$w = \frac{P}{2} - l$

FLASHCARD QUESTION

Front

Change the equation to slope-intercept form: $y + 2 = -3(x - 5)$

Back

$y = -3x + 13$

FLASHCARD QUESTION

Front

What is the slope-intercept form of a linear equation?

Back

The slope-intercept form is $y = mx + b$ , where m is the slope and b is the y-intercept.

FLASHCARD QUESTION

Front

What does it mean to rearrange a formula?

Back

Rearranging a formula means to solve for one variable in terms of others.

FLASHCARD QUESTION

Front

In the equation $y = mx + b$ , what does m represent?

Back

m represents the slope of the line.

10.

FLASHCARD QUESTION

Front

In the equation $y = mx + b$ , what does b represent?

Back

b represents the y-intercept of the line.

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