Two Variable Equations Intro

Front

What is a two-variable equation?

Back

A two-variable equation is an equation that contains two different variables, typically represented as x and y, and can be expressed in the form y = f(x) or similar.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

What does it mean to solve for a variable?

Back

To solve for a variable means to find the value of that variable that makes the equation true.

Tags

CCSS.7.EE.B.4A

Front

Solve for y: y = 30/x - 2 if x = 6.

Back

y = 3

Front

Solve for v: v = 36/r if r = 6.

Back

v = 6

Tags

CCSS.6.EE.A.2C

Front

Identify the solution for the equation y = x + 2.

Back

(3, 5)

Front

Identify the solution for the equation y = 12 + 2x.

Back

(3, 18)

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.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What is the y-intercept in the equation y = 2x + 3?

Back

The y-intercept is 3.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What does the slope of a line represent?

Back

The slope represents the rate of change of y with respect to x.

Tags

CCSS.8.EE.B.5

Front

Solve for m: m = 3x if x = 8.

Back

m = 24