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Variables and Terms
Solve that equation
Rise to the Run
Little Story For You
Random Question FOR YOU
100
A letter or symbol that represents a number is called what?
A variable.
100
Solve this equation for x: 5x + 2 = 2x + 23
x = 7
100
What is the slope in this equation? y = -9x + 11
m = -9
100
Ms. Sumner is having her lawn mower tuned up. The Sears repairman charges $50 service call plus $35 per hour. Write an equation to represent the money Ms. Sumner will pay depending on the "x" hours the repairman works
y = 35x + 50
100
What is (-10)<\sup>-4
1/10000
200
What are like terms?
Terms that have the same variables, and constants. Ex: 2x and 5x; 4 and -9; and 3m and 9m
200
Solve this equation for x: 6x + 10 = 65 + x
x = 11
200
Find the slope between these two points: (0, 8) and (-1, 10)
m = -2
200
For $5.oo you could either buy 1 coke and 3 pieces of pizza or no cokes and 4 pieces of pizza . Write the equation to represent the number of pizza slices and cokes I could get for $5.00.
If x = cokes and y = pizza slices then the points are (1,3) and (0, 4) The slope is -1 the y-intercept is is 4 so the equation is: y = -1x + 4
200
Find the product of (2x - 5) (2x + 5) AND what is it called?
What is 4x2 - 25. It is called the difference of squares
300
What are the like terms in this equation? 5x + 3y + 9 + 8x + 4m + 12x
5x and 8x and 12x
300
Solve this equation for x: 5(x + 7) = 3(x + 1)
x = - 16
300
What is the slope of a vertical line?
The slope is undefined.
300
A student works at a job which plays $5.00 per hour. This week the student also received a bonus of $75. If the total pay for the week was $200, how many hours did the student work? JUST WRITE THE EQUATION - DO NOT SOLVE IT Assign a variable to what you are looking for AND create an equation.
h = # of hours student worked Equation: 5h + 75 = 200
300
Mulitply (3x+5)(5x - 2)
What is 15x2+19x-10
400
Combine like terms in this expression: 3a + 4b + 3 + -7a + 5b + 10
-4a + 9b + 13
400
Solve this equation for x: -4(x - 1) + 4 = 2x - 10
x = 3
400
What do you know about parallel slopes? What is the parallel slope to this equation y = -3x + 5?
They are the same, m = -3.
400
Four cokes and 2 pizza slices costs $6.00 and 6 cokes and 5 pizza slices cost $7.50. Write the system of equations to find the cost of a coke and the cost of a slice of pizza. YOU DO NOT HAVE TO SOLVE THE EQUATION.
X = cost of a coke and Y = cost of one slice of pizza 4x + 2 y = 6 and 6x + 5y = 7.50
400
(3x4y4)(4x2y3)
12x6y7
500
In the following equation, explain what m and b stand for? y = mx + b
m represents slope and b represents the y-intercept
500
Solve the equation for W: A = LW
A/L = W
500
What do you know about perpendicular slopes? What is the perpendicular slope to this equation y = 4x + 5?
Perpendicular slopes are opposite reciprocals, m = -1/4.
500
You are buying brats and hot dogs for a barbecue. Brats cost $2.00 per pound and hot dogs cost $3.00 per pound. You have $36 to spend. Create a linear equation to represent the different number of combinations of brats and hot dogs you can have? AND find the slope.
2x + 3y = 36 Slope = -2/3
500
Factor 3x6-3x4-36x2
What is 3x2(x-2)(x+2)(x2+3)