Linear Equation Models

Which of the following equations represents the line that has a y-intercept of (0, -2) and x-intercept of (3 , 0)?

Which is the equation of the graph?

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Which equation models the relationship between shipping fee and number of items?

• There is a $5 initial charge and an additional charge of $2 per copy.

• There is a $2 initial charge and an additional charge of $5 per copy.

• The company charges $5 for every 2 copies.

• The company charges $2 for every 5 copies.

• Joe bought 2 packages of Ramen noodles.

• Spaghetti O's cost $2.25

• Joe brought in 18 cans

• Spaghetti O's cost  $2

• Joe spent $9

• If Joe bought only Spaghetti O's, he could buy 9 cans.

• If Joe bought only Ramen noodles, he could buy 9 packages.

• Joe brought in 9 items

The inequality $3x+2y>96$ approximately models the projected sales for a stadium vendor if she sells more than $96 of snacks during the game and is represented in the graph. Which statement is true?

• The point (12, 30) is part of the solution region.

• The point (12, 30) means that is she sells 12 peanuts and 30 hot dogs, she will make $96.

• The point (12, 30) is not part of the solution region.

This table shows the relationship between humerus

(arm bone) length and a woman’s height.

Predict the height of a woman whose humerus length

is 40 cm.

• 176 cm

• 178.75 cm

• 173.25 cm

• 181.5 cm