Evaluating Expressions
Evaluate:
4y - (3x+1) when x = 1 and y = 2
What is 4?
Evaluate:
-8(6-2r)=-6+2r
What is 3?
What is the solution to the following system of equations?
x+2y=23
4x+10y=110
What is (5,9) ?
What is the equation of a line that has a slope of -2 and goes through the point (-4,1)?
What is -2x-7 ?
What are the roots of this quadratic equation?
a^2-4a+3=0
What are 1 and 3?
{1,3}
Evaluate:
(4x-y)/2; when x = 3 and y = 2
What is 5?
Evaluate:
-2r+5=-3(1-2r)+8
What is 0?
What is the solution to the following system of equations?
9x+12y=216
6x+4y=108
What is (12,9)?
What is the equation of a line that goes through the ordered pair (3,-2) and has a slope of 0?
What is y=-2 ?
What are the solutions to this quadratic equation?
n^2-5n-24=0
What are -3 and 8?
{-3,8}
Evaluate:
r-(r-q)^3; when q = 2 and r = 2
What is 2?
Evaluate:
(n-4)/(n-7)=10/5
What is 10?
Which of the following ordered pairs are solutions to this system of inequalities? List ALL that apply!
y> -x + 1
y> 1/3 x - 3
(3,1) (1,0) (3,-2) (4,2) (1,2)
What are: (3,1), (4,2), and (1,2)?
Evaluate the function below:
f(x) = x^2+5x-24 ; f(3)
What is 0 ?
Factor Completely:
5x^2+41x-36
Choose ALL that apply:
(5x+4) (5x-4)
(x-9) (x+9)
5x 9
What are
(5x-4)and (x+9)?
Evaluate:
z - z/y when y = 7/5 and z = 2 1/2
What is
5/7 ?
Evaluate:
-3(6x+6)<-126
What is x > 6?
Given: sqrt245r
Which of the following is in simplest form?
3sqrt6r 6sqrt5r
4rsqrt3 7sqrt5r
What is
7sqrt5r
Evaluate the function below:
f(x) = (x+3)/(x-3); f(15)
Give your answer in simplest form.
What is
3/2 ?
Factor Completely:
2k^2+13k-70
Choose ALL that apply:
(2k+7) (2k-7)
(7k-8) (k+5)
(k+10) 6
What are
(2k-7) and ((k+10)?
Evaluate:
k(k-h) when h = 2 1/6 and k = 2 1/2
What is
35/3 or 11 2/3
Evaluate:
-297<-2x-7(1+8x)
What is x < 5 ?
Simplify. Your answer should contain only positive exponents.
(3mn^-2 2n^-1)/(3m^-1 n^2)
1/(16n^2m^6 2/(mn^2)
1/(n^8 m) (n^6 m^2)/4
What is
2/(mn^2)
Which of the following IS a function?
{(3,-2), (4,-2), (6,1)}
{(4,0), (3,-2),(4,5),(0,4)}
What is
{(3,-2),(4,-2),(6,1)} ?
If a quadratic equation intersects the x-axis at -2 and 5, what are the factors of the quadratic equation?
What are (x+2) and (x-5)?