8M envision unit #2

Front

What is the first step in solving the equation 5x + 7 = 12?

Back

Subtract 7 from both sides.

Front

What is the error in adding 2x to 3x?

Back

The correct operation should be to combine like terms.

Front

Write the equation of the line with a slope of -3 and a y-intercept of -3.

Back

y = -3x - 3

Front

What is the solution to the equation 2x + 1 = 2x - 1?

Back

No Solution.

Front

Write the equation for a man descending from 100 feet at 30 feet per minute.

Back

y = -30x + 100

Front

What does it mean to combine like terms in an equation?

Back

It means to add or subtract terms that have the same variable raised to the same power.

Front

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

Back

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

Front

How do you isolate a variable in an equation?

Back

You perform inverse operations to get the variable alone on one side.

Front

What is the definition of a linear equation?

Back

An equation that makes a straight line when graphed.

Front

What does it mean if an equation has infinitely many solutions?

Back

It means that any value for the variable will satisfy the equation.