Linear Equations Pre-Test

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

• 2
• 3
• 5
• Cannot be Determined 

How would you write the equation with a slope of 2/3 and a y-intercept of -3

• y=3/2x+3
• y=2/3-3
• y=2/3x-3
• y=2/3x+3

What is the equation of the line?

• y = -3/4x + 3
• y = 4/5x + 3
• y = -4/5x + 3
• y = -4/5x

Which graph shows the equation y = 2/3x - 3

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What is the equation of this line?

• 0

• x = 2

• y = -2

• x = -2

What TWO things do you need to write a linear equation? Check both things!

• Slope

• Y-intercept

• Y - axis

• Standard form

When graphing an equation, ALWAYS start with the _________.

• Y-intercept

• Slope

• x - axis

Vertical or horizontal?
x = 4

• vertical 
• horizontal
• neither

Vertical or horizontal?
y = -6

• vertical 
• horizontal
• neither

Why are lines straight?

• Constant rate of change

• Y-intercept

• Lines are not straight

• run/rise