Writing Equation from linear pairs warmup 4

The amount of water in the bucket ( in pints) can be modeled by the equation y = 2x + 7 where x is the number of pitchers used to put water in the bucket.  If the bucket contains 29 pints of water, how many pitchers of water were used to fill it?

• 11
• 65
• 9
• 18

The GPA of a student can be predicted using the equation
y = 1.4 x + 1.4  where x is the hours the student spends studying.  What is the expected GPA of a student that spends no hours studying?

• 2.4
• 1.4
• not enough information
• 2.8

The GPA of a student can be predicted using the equation
y = 1.4 x + 1.4  where x is the hours the student spends studying.  How many hours did a student spend studying if they have a GPA of 4.2

• 4
• 3
• not enough information
• 2

Given these two ordered pairs, write the equation.
(2, 8) (3, 12)

• y = 4x + 8
• y = x + 4
• y = 4x + 4
• y = 4x

Writing Equations:
Given the following table, write the linear equation.

• y = 9x + 3
• y = 3x + 12
• y = 3x + 9
• y = 1x + 12

Writing Equations: Given the following table, write the linear equation.