Show:
Vocabulary
Concepts...
Math Problems
Word Problems
Misc.
100
What is the formula for slope?
Rise over run.
100
What is the formula for slope?
y=mx+b
100
Find the slope of the line that passes through each pair of points. (-2,1) (3,6)
1
100
A scooter can travel 72 mpg of gasoline, and holds 2.3 gallons. The function dx=72x represents the distance dx in miles that the scooter can travel with x gallons of gasoline. How many miles can the scooter go with a full tank of gas?
165.6 miles.
100
how many times has mrs. lederberg made a child cry?
192384736732827839747837828738629713823x298326924623946249286 times
200
The y-coordinate of a point where the graph crosses the y-axis.
Y-intercept.
200
y=56x x+y=-7 What is the concept of this problem?
Substitution method.
200
Find the slope of the line that passes through each pair of points. (2,6) (-8,8)
1/-3
200
The distance of a wheel moves foward varies directly with number of rotations suppose the wheel moves 56 ft in 8 rotations. What distance does the wheel move in 20 rotations?
140 ft.
200
if a child has 3 apples and someone takes 2 how many does he have left?
it doesnt matter because mrs lederberg took them from the kid...(he cried)
300
A method of solving a system of equations, by replacing one variable with an equivilant expression that contains the other variable.
Substitution Method.
300
The y varies directily with x or y.
Direct Variation
300
2x+2y=10 3x+2y=14
x=-24
300
you are looking for an after-school job.One job pays $9per hour. Another pays $12 per hour, but you must buy a uniform that costs $39, after how many hours of work would your net earnings from either job be the same?
5 hrs.
300
how many dreams can mrs. lederberg crush in 1 hour?
alot
400
Two or more linear equations.
System of linear equations.
400
Nonvertical lines are parallel if they have the same slope and different y-intercepts. What are the vertical lines?
Vertical lines are parallel they have different x-intercepts.
400
2x+5y=19 3x-4=y
x=3
400
Suppose you graph a system of a linear equation and intersections point appears to be (3,7). Can you be sure that the ordered pair (3,7) be the solution? What must you do to be sure?
You need to write an equation, solve and than check it to get that answer.
400
how many times does mrs. lederberg let children go to the bathroom?
3... Dimitri would know, he peed his pants
500
Two variables such as "y>x-2" can be formed by replacing the equal sign of a linear equation with an inequality symbol.
Linear inequality.
500
What is the standerd form of a linear equation?
Ax+By=C
500
Write an equation of a line that passes through (1,5) with a slope of 2.
y=2x+3
500
The sum of two numbers is 201, when the larger number is subtracted from twice the smallest number, the difference is 4. What are the other numbers?
75 and 36
500
how nice is mrs. lederberg?
?... uhh 7 (DL answer) jkjkjkjkjkjk we love her<3