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Pre-Algebra
Functions
Exponents
Polynomials
Mixed
100
Five less than twice a number y is represented by which of the following expressions. a.) 2y-5 b.) 5-2y c.) 2-5y d.) y^2-5
a.) 2y - 5
100
State whether or not the following rules represent a function. a)Take an input and square it. Then subtract 10. b) Take an input and multiply the number between 2 and 4. Then subtract 50.
While A represents a function, B does not represent a function.
100
Simplify the expression (x^(2)y^(5))/(xy^(3))
xy^(2)
100
Make Expression: A polynomial of the 5th degree with a leading coefficient of 7 and a constant of 6.
7x^5+2x^2+6 7x^5+6
100
What is the domain and range of the function? f(x)=(1)/((x-6)(x+6))
Domain: All real numbers, x can't be 6 Range: All real numbers, f(x) can't be zero
200
Simplify the expression- 10x^2+3-5x+2x62-1+10x
A: 12x^2+5x+2
200
If f(x)=x^(3)-2x^(2)+x-7, find f(-1)
-11
200
Simplify the expression (5x^(3))^(2)*(4x)^(0)
25x^(6)
200
Find the value of k that makes the equation true. (x-4)(x+k)= X^2+2x-24
x^2(K-4)x-4k=x^2+2x-24 k=6
200
A home security system has a pad with digits 1 to 9. Find the # of 7 digit passcodes if digits can't be repeated. FCP, Permutation, Combination?
Permutation 9 8 7 6 5 4 3 2 1 = 362880
300
Solve for x- 6/15x+3=9
x=15
300
Kim creates a rule for Kanye in the "Guess My Rule" game. The rule takes Kanye's input, a name of a piece of furniture and returns the first letter of the word. Is Kim's rule a function or not a function? Explain why or why not. Ex: sofa-> s
Kim's rule is a function because each input produces one output
300
Simplify the expression (2x^(-7)x^(0))/(6x^(-4))
(1)/(3x^(3))
300
Use p(x)= x^2+4x+9 Find a polynomial r(x) such that p(x)+ r(x)= 2x^2-6x+14
2x^2-6x+14 - x^2 +4x+9 = x^2-10+5 Answer:x^2-10+5
300
Find the root of y=x^2+4x
(-4+\sqrt((4)^(2)-4(1)(0)))/(2(10)) = -4
400
When c=7, what is the value of 20+60-25+15+10/c+9
5
400
If f(x)= x + 2 and g(x) = 2x + 1, find f(g(18))
39
400
Evaluate the expression ((3)/(4))^(-2)
(16)/(9)
400
Expand (x+3)^5
x^5+15x^4+90x^3+270x^2+405x+23
400
How many different ways can you select 15 jelly beans from a bag of 15?
15 14 13 12 11= 360360/5 = 3003 ways
500
Which value of x satisfies the equation 4(x-2)+3=3-2(x-3)
A=7/3
500
If f(x)=((x)/(343))-2^(1)+3^((1)/(4)) and g(x)=18(x)-7^(-3), find f(g(7))
18(7)-7^(-3)
500
Evaluate the expression ((243)/(32))^(4/5)
5(1/16)
500
binomial factor=A binomial factor that is shared by all the terms of a polynomial The expression -2h^3+6h^2+36h and h^2+3h-54 share a common binomial factor what's the factor?
h-6
500
If you wrote numbers from 1 to 1000, how many numbers have the digits of 4?
4 14 24 34 40 41 42 43 44 45 46 47 48 49... 19 numbers contain 4 from 1 to 100 400..499.. 100 contain 4 9*19+100= 271 numbers.