Linear Equations

What is a linear equation?

• An equation that forms a straight line when graphed

• An equation that forms a circle when graphed

• An equation that forms a parabola when graphed

• An equation that forms a triangle when graphed

If y = -x + 1, what is the value of y when x = 2?

• -1

• 1

• 2

• 3

Tags

CCSS.HSF.IF.A.2

If you have $110 in your lunch account and spend $2.75 each school day, which equation represents the balance y after x days?

• y = 110 - 2.75x

• y = 2.75x + 110

• y = 110x - 2.75

• y = 2.75 - 110x

Tags

CCSS.6.EE.C.9

What is the first step to solve the equation y - 2x = 5 for y?

• Add 2x to both sides

• Subtract 2x from both sides

• Multiply both sides by 2

• Divide both sides by 2

Tags

CCSS.HSA.REI.B.3

What do the points on the line of a linear equation represent?

• Solutions of the equation

• The slope of the equation

• The intercepts of the equation

• The variables of the equation

What is the ordered pair for x = -2 in the equation y = 2x - 1?

• (-2, -5)

• (-2, 5)

• (-2, 1)

• (-2, -1)

Tags

CCSS.HSF.IF.A.2

Which of the following is NOT an ordered pair solution for y = 2x - 1?

• (1, 1)

• (2, 3)

• (0, -1)

• (-2, -5)

Which ordered pair is NOT on the line y = 2x - 1?

• (1, 1)

• (2, 3)

• (0, -1)

• (-2, -5)

What is the equation of a horizontal line passing through the point (0, b)?

• y = b

• x = a

• y = x

• x = y

Which of the following is a horizontal line?

• y = -3

• x = 5

• y = 2x - 3

• y = -x - 1