Linear Equation Test

What y-coordinate completes the ordered pair (-1, ___) so that it is a solution to the equation y = 3x.

• 1

• -1

• 3

• -3

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

• Slope

• Y-Intercept

• Linear

• X-Intercept

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

• 2

• 3

• 5

• 2x

What is the y-intercept of the line with the equation y = −2x + 4  ?

• -2

• 2

• 4

• -4

Write a linear equation that has coordinates (2, -4) and (4, -3).

What is the meaning of the y-intercept?

• The hamburger will cost $1.90 without any toppings.

• The hamburger will cost $1.40 without any toppings. 

• The cost of the hamburger is $1.90 with one topping

• The cost of the hamburger doesn't change no matter how many toppings there are.

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

• X-Intercept

• Y-Intercept

• Linear

• Slope

Write a linear equation that has coordinates (-4, 2) and (-5, 4).

The graph represents the height of a burning candle.  What is the meaning of the y-intercept?

• the time it takes to burn the entire candle

• the rate at which the candle is losing height

• the change in the height of the candle each hour

• the original height of the candle

The graph represents the money in a savings account.  What is the meaning of the y-intercept?

• The initial deposit was $30

• $30 is added to the account each week

• It took 30 weeks to same enough money to open an account

• not enough information