Linear Equations Graphing and Writing A

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

Why are lines straight?

• Constant rate of change

• Y-intercept

• Lines are not straight

• run/rise

Vertical or horizontal?
x = 4

• vertical 

• horizontal

• neither

What is the equation of the line shown in the graph?

• y = 0

• y = 1

• y = 2

• x = 1

Select the correct graph for each inequality.

• A

• B

• C

• _D

Select the correct graph for each inequality.

• A

• B

• C

• D

Write the linear inequality in standard form for this situation: Ms. Savva is ordering pizzas and breadsticks for a school party and has a budget of no more than $81. An order of breadsticks costs $7 and a pizza costs $13. 

• 7x + 13y < 81

• 7x + 13y ≥ 81

• 7x + 13y ≤ 81

• 7x + 13y > 81

Write the linear inequality in standard form for this situation: In order to raise money to attend upcoming competitions, the Math Pentathalon team is selling apple cider and hot chocolate. They hope to make at least $240 by selling hot chocolate for $1 a glass and hot apple cider for $2 a glass.

• x + 2y < 240

• x + 2y > 240

• x + 2y ≤ 240

• x + 2y ≥ 240