A rational number is a number that can be written as a ratio. That means it can be written as a fraction
100
When 6 is added to four times a number, the result is 50. Find the number, and tell me the equation
6+4n or 4n+6
n=11
100
What's the equation on how to find a hypotenuse of a triangle
√a2 + b2 = c2
100
What is the test that they use on a graph to see if it is a function
Vertical Line Test
100
x+y=1
x+3y=9
x=-3
y=4
200
What is a irrational number
An irrational number cannot be expressed as a ratio between two numbers and it cannot be written as a simple fraction instead, the numbers in the decimal would go on forever, without repeating.
200
In a given amount of time, Jamie drove twice as far as Rhonda. Altogether they drove 90 miles. Find the number of miles driven by each, Give the equation and the answer
x+2x=90
x=30
200
What is the equation to find the leg of a triangle in the of the Pythagoram Therom
√c2-b2 or √c2-a2
200
What is a linear function
Linear functions are those whose graph is a straight line. A linear function has the following form. y = f(x)
200
3x+y=13
x+6y=-7
x=5
y=-2
300
The number .098709870987 is in which subset?
A) Counting Numbers
B) Integers
C) Rational Numbers
D) Irrational Numbers
C
300
Karen works for $6 an hour. A total of 25% of her salary is deducted for taxes and insurance. She is trying to save $450 for a new car stereo and speakers. How many hours must she work to take home $450 if she saves all her earnings. Give the equation and the answer
6x-.25(6x)=450
x=100
300
Suzie is mountain climbing with Terrell and has just climbed a 15-meter vertical rock face. Terrell is standing at the bottom of the cliff, looking up at Suzie. If Terrell is 17 meters away from Suzie, how far away from the cliff is Terrell standing?
8
300
What is a function
A function is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.
300
A landscaping company placed two orders with a nursery. The first order was for 13 bushes and 4 trees, and totaled $487. The second order was for 6 bushes and 2 trees, and totaled $232. The bills do not list the per-item price. What were the costs of one bush and of one tree? Write the equations and the answers
13x+4y=487
6x+2y=232
x=23
y=47
400
The square root of 31 is in which subset
A) Natural Numbers
B) Counting Numbers
C) Rational Numbers
D) Irrational Numbers
Irrational Numbers
400
Translate "the ratio of 9 more than x to x" into an algebraic expression
(x+9)/x
400
There is a rope running from the top of a flagpole to a hook in the ground. The flagpole is 9 meters high, and the hook is 12 meters from it's base. How long is the rope
15
400
What is a y-intercept
When x equals 0 what does y equal
400
A landscaping company placed two orders with a nursery. The first order was for 26 bushes and 8 trees, and totaled $974. The second order was for 12 bushes and 4 trees, and totaled $464. The bills do not list the per-item price. What were the costs of one bush and of one tree? Write the equations and the answers
26x+8y=974
12x+4y=464
x=46
y=94
500
Which of these sets of numbers contains all rational numbers
A) π, 1/2, -13
B) -3.0541..., √99, 0.14363
C) -6, -√225, 4 7/8
D) √21, .75, 0
C
500
Translate "nine less than the total of a number and two" into an algebraic expression, and simplfy
(n+2)-9
500
To get from point A to point B you must avoid walking through a pond. To avoid the pond, you must walk 34 meters south and 41 meters east. To the nearest meter, how many meters would be saved if it were possible to walk through the pond?
If you got 53.26 or a decimal that starts with 53 as a whole number your correct
500
What is the x-intercept
When y equals 0 what does x equal
500
A passenger jet took three hours to fly 1800 miles in the direction of the jetstream. The return trip against the jetstream took four hours. What was the jet's speed in still air and the jetstream's speed?