That's a fact!
What expression is equivalent to
3x2 – 8x – 3?
(3x + 1) (x - 3)
A rectangle has a width of 2xy and a height of x2y2. What is the area of the rectangle?
2x3y3
What function can be used to express the cost of a taxi ride that is $2 per minute with an initial fee of $8.50?
f(m) = 2m + 8.5
or
y = 2m + 8.5
What is the range of the function
f(x) = x2 + 2 when the domain is {-1, 0, 1}?
{2, 3}
Stephen opens a savings account with an initial deposit of $300. Every month, Stephen will deposit an additional $250 into the account from his paycheck. Which function below shows the total amount of his deposits for x number of months?
f(x) = 250x + 300
What trinomial is equivalent to
(x + 3) (3x – 2)?
3x2 + 7x – 6
What is the correct value if 7a2b2 is divided by 2a?
7ab2/2
A towing company charges a hook-up fee of $25.00 and then charges by the mile for the distance towed. Pedro has his car towed 5 miles and receives a bill for $66.75. What cost for towing, per mile, after the hook-up has been paid?
k= $8.35
Given the function f(x) = 4x2 – 5, what is the range?
All real numbers greater than or equal to -5
The following equation can be used to calculate Sally’s earnings at work.
s = 12(1500 + .10x)
What explanation below best describes Sally’s earnings?
Sally has earned a base monthly salary of $1500 plus 10% commission of her monthly sales, x, over the past 12 months.
What expression is a factor of
3x2 + 10x + 8?
(x + 2)
If x = 64 and y = 20, what is the value of the expression below?
X1/2 + y1/2
8 + √20
Pablo bought one pair of jeans and one polo shirt for $60. Greg spent $208 on 4 pairs of jeans and 3 polo shirts. Assuming the jeans and polo shirts are all the same type, how much is a pair of jeans and polo shirt each?
$28 for a pair of jeans and $32 for a polo shirt.
A quadratic function contains the points (-1, 4), (0, 2) and (1,4). Which of the following statements is likely true about all other possible range values for this function?
The range will only include positive real numbers greater than or equal to 2.
What is the value of x in the solution to the system of equations below?
3x – 8y = 11
2y + x = 13
9
Which of the following expressions is (x + 3) not a factor?
A. 2x2 + 5x – 3
B. -x2 – 2x + 3
C. x2 + 6x + 9
D. 2x2 – x + 5
2x2 – x + 5
Sally opens a lemonade stand and sells 2x cups of lemonade for x number of days. Each cup of lemonade sells for y dollars. Sally wants to donate all the money she made to a number of charities equaling 2y. What expression below represents the number of dollars Sally will donate to each charity?
x2
What are the values for x when f(x) = 0 in the quadratic equation f(x) = 3x2 – 75?
{-5, 5}
The elements of f(x) are (-7, 3), (-1, 6) and (8, -3). What is the range of the function?
{-3, 6, 3}
A pet store has 26 rabbits and hamsters. The number of rabbits is two more than double the number of hamsters. How many hamsters does the pet store have?
h+r=26
r=2h+2
h + 2h + 2 = 26
h=8
The factors of 12 + x2 – 7x are
(x – 3) (x – 4)
A value of 2x5yz2 is multiplied by x2y2z2, then divided by x7y4z. What simplified expression represents the resulting value?
y2z3/2
What are the solutions to x2 + 4x = 7?
-2 ± √11
What is the domain and range of the given points?
(-4, -11), (0, -3), (2, 1), (7, 11)
Domain: -4, 0, 2, 7
Range: -11, -3, 1, 11
What is the value of x in the solution to the system of equations given below?
8 + 2x = 5y
4x – y = 2
1