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Vocabulary
Concepts...
Math Problems
Word Problems
Misc.
100
What is slope
vertical change/horizontal change= rise/run
100
How are scatter plot and trend line related?
The trend lines show the relationship of two sets of data most accurately called the line of best fit.
100
What is the slope and y-intercept of the graph of: y= -1/2x+ 2/3
-1/2 and 2/3
100
An online gem seller sells gems, they charge $5 per order plus $3 per gem online. A costumer orders 4 gems that are all the same price. the order comes to $74. how much is each gem without shipping. write your answer as a decimal.
10.50
100
what is the system of linear equations?
When two or more linear equations form.
200
what is rate of change
shows the relationship
200
What are the steps to solving a systems of equation using elimination? EX: 2x+5y=17: 6x-5y=-9 solve
1) add the two equations. 2) solve for x. 3) use the first equation and subsitute 1 for x 4) slimplify 5) solve for y. Solution is : ( 1,3)
200
Put in mx+b form. 2y-6=3x
3x+6=2y
200
soppose you have a $5-off coupon at a fabric store. you buy fabric that cost $7.50 per yard. Write an equation that models the total amount of money. Y= your pay if your x is the yards of fabric. What us the equation?
y=(7.50x)-5
200
Parellel lines are?
Lines in the same plane that never intercept.
300
what is a linear equation
equations who graphs make a straight line
300
What is slope intersept form?
y=mx+b
300
y=3x+13 y=x-3
3,13/1,-3
300
A salesperson earns $18 dollors per hour plus a $75 bond for meeting her sales quota. write an expression that represnets the total earnings, including her bonus. The indepented variable represents? what does the depended varibale represent?
18n+75 independent: $75 bonus Dependent: hours worked
300
Determine whether the graphs of the given equation are parellel. Y= -2x+3 2x+Y=7
Parellel
400
what is the elimination method
when you use the addition or subtraction properties of equality to add or subtract equations in order to eliminate a variable in a system
400
What is standord form?
AX+BY=C
400
What equation in slope form represents the line that passes through points (2,1) and (5,-8)
y=3x+7
400
The distant D your bike varies directly with the amount of time T your bike suppose your bike 13.2 miles in 1.25 miles H what is an equation that relates D and T.
13.2=K(1.25)
400
5x+1=3x-5
x= -3
500
what is the solution of a system of linear equations
when you substitute the expression for the varible into the other equation
500
what is substitution?
whe one equation is already solved for one of the variables, or when it i easy to solve for one of the variables.
500
7x+y=6 5x+10y=55
(0,6)
500
In a gymnastic competition a floor routine is to be no longer than 90 seconds. For every second that goes longer .05 points is deducted. Suppose the gymnist would have earned 9.865 points. But it lasted 93 seconds. what was the actual number of points she earned?
9.715
500
x+4= -2(x=6)
x=9