Math 1 Interim #2 Review

Math 1
Interim #2 Review

Multiple Choice

Write the equation of the line.

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

Multiple Choice

Write the equation of the line.

• y=-3x-4
• y=-4x-3
• y=(-3/4)x-3
• y=(-4/3)x-3

Multiple Choice

Which could be the graph of the equation y = 1/3x - 2?

Multiple Choice

What is the y-intercept?

• (0,7)
• (0, 0)
• (0,1)
• (0, 2)

Multiple Choice

What is the slope?

Remember $$m=\frac{y_2-y_1}{x_2-x_1}$$

• $$\frac{1}{2}$$

• $$\frac{2}{-3}$$

• $$\frac{2}{1}$$

• $$\frac{3}{8}$$

Fill in the Blanks

Multiple Choice

A man is climbing down from 100 feet high descending 30 feet per minute.

• y = 100 - 30x
• y = 100 + 30x
• y = 100x + 30
• y = 100x - 30

Draw

Place a single point on the coordinate grid to show the y-intercept of the graph representing f(x).

f(x)= 5x -3

Multiple Choice

Graph. y = 2/3x - 3

• a
• b
• c
• d

Multiple Choice

A T-shirt design company charges your team an initial fee of $25 to create the team's design. Each t-shirt printed with your design costs an additional $8. The equation for this situation is y = 25 + 8x. Interpret the y-intercept in context.

• The additional fee of $8.

• The initial fee of $25.

• The additional fee of $25.

• The initial fee of $8.

Graphing

Graph the equation $$y=-\frac{1}{2}x+6$$ .

Multiple Choice

Write the equation in point-slope form of the line that passes through the given point and has the given slope. (2, 5); m = -3

• y +3 = 5(x - 2)

• y - 5 = -3(x - 2)

• y+ 5 = -3(x +2)

• y - 2 = 5(x - 3)

Multiple Choice

For the equation
y - 3 = 2(x + 4),
which of the following is true?

• The line has m = 2 passing through the point (4, -3)
• The line has m = 2 passing through the point (3, -4)
• The line has m = 2 passing through the point (-4, 3)
• The line has m = 2 passing through the point (-3, 4)

Multiple Select

Write the equation in point-slope form $$y-y_1=m\left(x-x_1\right)$$

for the line that contains the points

(3, -5) and (5, - 1)

Recall that $$m=\frac{y_2-y_1}{x_2-x_1}$$

SLECT BOTH CORRECT ANSWERS

• y - 5 = 2(x + 3)

• y + 5 = 2(x - 3)

• y - 3 = 2(x + 5)

• y + 3 = 2(x - 5)

• y + 1 = 2(x - 5)