Expressions
An expression that represents the sum of three and twice a number
What is 2x + 3?
*variable can differ
The equation of the line with slope -1/2 and y-intercept 4
What is y=-1/2x + 4?
*equation may be manipulated into another form
This is the meaning of a solution to a system of equations with variables x and y
What particular coordinates (x,y) satisfy all the equations in the system?
An inequality to represent "7 is less than a number"
What is 7 < x?
*variable can differ
The fraction in the following group that is NOT equivalent to the others:
2/6 3/12 1/4
What is 2/6?
An expression that represents "7 less than three times a number"
What is 3x - 7?
*variable can differ
The slope of the line y - 3/2 x = 7
What is 3/2?
This is how you can check if your solution to a system of equations (with variables x and y) is correct.
What is substituting your x and y values into each equation?
An inequality to represent "the sum of twice a number and 6 is greater than or equal to 77"
What is 2x + 6 ≥ 77?
The sum of a half and a third
What is 5/6?
The meaning of 750 in the expression "50x + 750," which Jake wrote to figure out how much money is in his savings after x weeks.
What is the initial amount of money Jake had in his savings?
The equation of a line that passes through the point (8,-1) and has slope -3/4
What is y = -3/4x + 5?
*equation may be manipulated into another form
The solution to the system of equations:
y = 2x +1
y = 3x +2
What is (-1, -1)?
An x-value that satisfies the following inequality:
2x + 5 ≤ 3
What is [insert any number less than or equal to -1]?
The simplified form of 3(x+2) - 5x
What is -2x + 6?
The meaning of x in the expression "2y + 3x," which Gabby wrote to represent how much money she'd spend on tacos that cost $2 each and cups of horchata that cost $3 each.
What is the number of cups of horchata that Gabby bought?
The slope of the line x = 7
What is an undefined slope?
Frank and Carla compared how much money they each have in their checking account, given Carla makes $13.50 per hour and Frank makes $15 per hour:
Frank: y = 15x + 150
Carla: y = 13.50x + 200
The solution to the system of equations above is (100/3, 650). This is the meaning of that solution in context.
What is Carla and Frank each have $650 in their checking account after working 100/3 hours?
A compound inequality that represents "a number is greater than 0 and at most 6"
What is 0 ≤ x ≤ 6?
*variable can differ
The simplified form of x2yxyx3y4
What is x6y6?
The meaning of the expression "250 - 50x," given 250 represents how much money Jess initially has in her checking account and -50x represents her spending $50 every week.
What is Jess' checking account balance after x weeks?
The equation of a line that passes through the points (1,4) and (-3,12)
What is y=-2x + 6?
*equation may be manipulated into another form
This is the solution to the following system of equations:
3y = 2x - 5
2y = 2x + 6
What is (-14,-11)?
An ordered pair that satisfies the following inequality:
y > 2x - 1
What is [insert any point (x,y) above the line y=2x-1]?
The expression x2-5x+3 evaluated at x = 9
What is 39?