Linear Equations Introductions

In the equation "y = 7x - 2" what is the y-intercept?

• (0,7)

• (0,-2)

• (0,0)

• (-2,0)

What is the equation of the following graph?

• y = 2x

• y = -x + 1

• y = x

• y = x + 1

The variable that represent the input/domain/independent variable of a linear equation is...

?

Mathematical Equivalence

OFF

The variable that represents the output/range/dependent variable of a linear equation is...

To find the solutions to a linear equation.. which of the following processes would you follow [THERE MAY BE MORE THAN ONE ANSWER]

• On the calculator, use [y=] then input the equation and click [2nd]->[graph] to analyze the table.

• Pick two points on the graph and use rise-over-run

• Input an x value into the equation and find the output (y).

• Pick two points and subtract the y-values over the subtracted x-values (Δy/Δx)

Which of the following are solutions to the linear equation y = 5x - 2? [SELECT ALL THAT APPLY]

• (0,2)

• (1,3)

• (-5,-27)

• (5,18)

In the equation "y = 3x + 7," what is the slope of the line?

• 1

• 3

• 7

• 0

What is the slope of the line containing the points (2,6) and (3,9)?

• 0

• 3

• 1/3

• 6

What is the slope of the given linear equation?

• m = 1/2

• m = 2

• m = -1/2

• m = -2