Literal Equations and Proportions Flashcard

Front

What is a literal equation?

Back

A literal equation is an equation that involves two or more variables. It is often solved for one variable in terms of the others.

Tags

CCSS.HSA.CED.A.4

Front

How do you solve for a variable in a literal equation?

Back

To solve for a variable, isolate the variable on one side of the equation using algebraic operations such as addition, subtraction, multiplication, or division.

Tags

CCSS.HSA.CED.A.4

Front

Solve for x: 2x + 3 = 11

Back

x = 4

Tags

CCSS.7.EE.B.4A

Front

Solve for a in the equation: ax - 5 = b

Back

a = \frac{b + 5}{x}

Tags

CCSS.HSA.CED.A.4

Front

What is the formula for solving proportions?

Back

If a/b = c/d, then ad = bc.

Tags

CCSS.6.EE.B.7

Front

Solve for w in the equation: 3w - 4 = 2

Back

w = 2

Tags

CCSS.7.EE.B.4A

Front

What does it mean for two ratios to be proportional?

Back

Two ratios are proportional if they can be expressed as a fraction that equals another fraction.

Tags

CCSS.7.RP.A.2D

Front

Solve for a in the equation: u = bak

Back

a = \frac{u}{bk}

Tags

CCSS.HSA.CED.A.4

Front

What is the cross-multiplication method?

Back

Cross-multiplication is a method used to solve proportions by multiplying the numerator of one ratio by the denominator of the other ratio.

Tags

CCSS.7.RP.A.3

Front

Solve for x: 5x = 50

Back

x = 10

Tags

CCSS.6.EE.B.7