SAT Math: Algebra
The table gives the coordinates of two points on a line in the xy-plane. The y-intercept of the line is , where and are constants. What is the value of ?
| x | y | 
|---|---|
| k | 13 | 
| k + 7 | -15 | 
The function is defined by . The graph of in the -plane has an -intercept at and a -intercept at , where and are constants. What is the value of ?
21
28
32
35
The total cost , in dollars, to lease a car for months from a particular car dealership is given by , where is the monthly payment, in dollars. What is the total cost to lease a car when the monthly payment is $400?
$13,400
$13,000
$15,400
$37,400
4x + 5 = 165
What is the solution to the given equation?
For which of the following tables are all the values of and their corresponding values of solutions to the given inequality?
| x | y | 
|---|---|
| 440 | 0 | 
| 441 | -2 | 
| 442 | -4 | 
| x | y | 
|---|---|
| 440 | 0 | 
| 442 | -2 | 
| 441 | -4 | 
| x | y | 
|---|---|
| 442 | 0 | 
| 440 | -2 | 
| 441 | -4 | 
| x | y | 
|---|---|
| 442 | 0 | 
| 441 | -2 | 
| 440 | -4 | 
For the given linear function , which table gives three values of and their corresponding values of ?
| x | f(x) | 
|---|---|
| 0 | 0 | 
| 1 | 0 | 
| 2 | 0 | 
| x | f(x) | 
|---|---|
| 0 | 39 | 
| 1 | 39 | 
| 2 | 39 | 
| x | f(x) | 
|---|---|
| 0 | 0 | 
| 1 | 39 | 
| 2 | 78 | 
| x | f(x) | 
|---|---|
| 0 | 39 | 
| 1 | 0 | 
| 2 | -39 | 
The graph of the linear function is shown. What is the -intercept of the graph of ?

(-5, 0)
(2, 0)
(0, 2)
(0, -5)

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If , what is the value of ?
Given the system of equations:
What is the value of ?
2.1
10
21
31
The graph shown models the number of candy bars a certain machine wraps with a label in seconds.

According to the graph, what is the estimated number of candy bars the machine wraps with a label per second?
2
40
78
80
