# algebra part 1 1

## Question 1 (5 points)

Tickets to see a movie cost $5 for children and $8 for adults. The equation 5x + 8y = 80 represents the number of children (x) and adults (y) who can see the movie with $80. If no adults see the movie, how many children can see the movie with $80?

## Question 2 (5 points)

The graph of g(x) = (x + 1) is a transformation of the graph of f(x) = x. Which of the following describes the transformation?

## Question 3 (5 points)

Find the slope of the line through (3, 7) and (â€“1, 4)

## Question 4 (5 points)

Which is an equation for the nth term of the sequence?

12, 15, 18, 21, …

## Question 5 (5 points)

What is the slope of the line through (â€“4, 3) and (5, 3)?

## Question 6 (5 points)

Which line has a y-intercept of â€“2?

## Question 7 (5 points)

Find the function that represents the relationship in the table

## Question 8 (5 points)

Find the equation in slope-intercept form of a line with slope â€“2 and y-intercept 4.

## Question 9 (5 points)

Which line is the graph of y = 2x + 4?

## Question 10 (5 points)

Which equation is a linear equation?

## Question 11 (5 points)

COMMUNICATION In 1996, there were 171 area codes in the United States. In 2007, there were 215. Find the rate of change from 1996 to 2007.

## Question 12 (5 points)

If

f(x) = ||x||

$f\left(x\right)=\left(x\right)$ , find

f(âˆ’14)

$f\left(\u2013\frac{1}{4}\right)$

## Question 13 (5 points)

Find the zero of 5x â€“ 20 = 0.

## Question 14 (5 points)

Determine which sequence is an arithmetic sequence.

## Question 15 (5 points)

Which equation is not a linear equation?