Topic 3: Linear Equations

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

• 2
• 3
• y

• x

What is the y-intercept in the equation y= -2x + 5

• -2
• y

• 5
• x

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 - 3x

• y = 2/3x - 3

• y = 2/3x + 3

Which equation matches the table?

• y = x + 5
• y = 5x
• y = x - 5
• x = y - 5

Which equation matches the table?

• y = 3x + 9
• y = x + 9 
• y = x + 3
• y = 12x - 3

Write the equation of the line.

• y = -1/3x - 2
• y = 1/3x - 2
• y = 3x - 2
• y = -3x - 2

Write the equation of the line.

• y = -2/3x + 4
• y = 2/3x + 4
• y = 3/2x + 4
• y = -3/2x + 4

Write the equation of the line.

• y = 4x + 6

• y = -4x - 6

• y = 1/4x - 6

• y = -1/4x + 6

Graph. x = 1

• a
• b
• c
• d

Graph. y = -4

• a
• b
• c
• d