PSAT MATHEMATICS
a babysitter earns $8 an hour for babysitting 2 children and an additional $3 tip when both
children are put to bed on time, what expression could be used to determine how much the
babysitter earned? - Correct Answers-8x+3, where x is the number of hours
3(x+y) = y
if (x,y) is a solution to the equation above and y does't equal zero, what is the ratio x/y? -
Correct Answers--2/3
1/2x-1/4y = 10
1/8x- 1/8y = 19
which ordered pair (x,y) satisfies the system of equations above? - Correct Answers-(-112, -264)
In a certain game, a player can solve easy or hard puzzles. A player earns 30 points for solving
an easy puzzle and 60 points for solving a hard puzzle. Tina solved a total of 50 puzzles playing
this game, earning 1,950 points in all. How many hard puzzles did Tina solve? - Correct
Answers-15
2x^2 + 7x - 15 = 0
if r and s are two solutions of the equation above and r > s, which of the following is the value
of r-s? - Correct Answers-13/2
To cut the lawn, Allen charges a fee of $15 for his equipment and $8.50 per hour spent cutting a
lawn. Taylor charges a fee of $12 for his equipment and $9.25 per hour spent cutting a lawn. if x
represents the number of hours spent cutting a lawn, what are all the values of x for which
Taylor's total charge is greater than Allen's total charge? - Correct Answers-X >4
n = 456 - 3T
The equation above is used to model the relationship between the number of cups, n, of hot
chocolate sold per day in a coffee shop and the average daily temperature, T, in degrees
Fahrenheit. According to the model, what is the meaning of the 3 in the equation? - Correct
Answers-For every decrease of 1 degree F. three more cups of hot chocolate will be sold.
A truck enters a stretch of road that drops 4 meters in elevation for every 100 meters along the
length of the road. The road is at 1,300 meters elevation where the truck entered, and the truck
is traveling at 16 meters per second along the road. What is the elevation of the road, in
meters, at the point where the truck passes t seconds after entering the road? - Correct
a babysitter earns $8 an hour for babysitting 2 children and an additional $3 tip when both
children are put to bed on time, what expression could be used to determine how much the
babysitter earned? - Correct Answers-8x+3, where x is the number of hours
3(x+y) = y
if (x,y) is a solution to the equation above and y does't equal zero, what is the ratio x/y? -
Correct Answers--2/3
1/2x-1/4y = 10
1/8x- 1/8y = 19
which ordered pair (x,y) satisfies the system of equations above? - Correct Answers-(-112, -264)
In a certain game, a player can solve easy or hard puzzles. A player earns 30 points for solving
an easy puzzle and 60 points for solving a hard puzzle. Tina solved a total of 50 puzzles playing
this game, earning 1,950 points in all. How many hard puzzles did Tina solve? - Correct
Answers-15
2x^2 + 7x - 15 = 0
if r and s are two solutions of the equation above and r > s, which of the following is the value
of r-s? - Correct Answers-13/2
To cut the lawn, Allen charges a fee of $15 for his equipment and $8.50 per hour spent cutting a
lawn. Taylor charges a fee of $12 for his equipment and $9.25 per hour spent cutting a lawn. if x
represents the number of hours spent cutting a lawn, what are all the values of x for which
Taylor's total charge is greater than Allen's total charge? - Correct Answers-X >4
n = 456 - 3T
The equation above is used to model the relationship between the number of cups, n, of hot
chocolate sold per day in a coffee shop and the average daily temperature, T, in degrees
Fahrenheit. According to the model, what is the meaning of the 3 in the equation? - Correct
Answers-For every decrease of 1 degree F. three more cups of hot chocolate will be sold.
A truck enters a stretch of road that drops 4 meters in elevation for every 100 meters along the
length of the road. The road is at 1,300 meters elevation where the truck entered, and the truck
is traveling at 16 meters per second along the road. What is the elevation of the road, in
meters, at the point where the truck passes t seconds after entering the road? - Correct
