Algebra and Functions
What operation does the term "increased by" mean?
Addition
Parallel lines have the same _____________.
Slope
If the absolute value of x is 5, what could x be?
5 or -5
What is the mode? 2, 3, 7, 4, 8, 7, 3, 9, 7
7
Simplify 3(2x−5)+4x
10x-15
Factor:
x2 - 2x +1
(x-1)2. or (x-1)(x-1)
What do you call a polygon with exactly 8 sides?
Octagon
What is the greatest common factor of 10 and 15?
5
What is the median? 7, 12, 13, 6, 9, 2, 4, 3, 9
7
Solve for x
5x−7=2x+11
x=6
Simplify: -3 + 2(5-7)2
5
What do you call the longest side of a right triangle?
Hypotenuse
How could you rewrite (45)3?
415
What is the probability of rolling an even number on a die?
3/6 = 1/2
Solve the inequality:
2x+3≤11
x≤4
What expression goes with "three more than the product of x and 7"?
7x + 3
What is the point called where two line segments meet?
Vertex
What is 15% of 540?
81
How many different ways can you choose 3 books from the 8 books on a shelf?
24
Evaluate the expression when x=−2
x2+4x−1
-5
Simplify: (6a4 bc2)(7a4 b3 c)
42 a8 b4 c3
If the integer lengths of the three sides of a triangle are 6, and 8 and the hypothenuse has a length of x, what is the length of x?
10
If a pair of jeans is normally $80 and they are on sale for 25% off, how much will they be?
$60
What is the probability of randomly pulling a J, Q or K from a deck of cards?
12/52 = 3/13
Write an equation to represent the situation:
A movie theater charges a $4 membership fee plus $9 per ticket. Let x be the number of tickets, and y be the total cost.
y=9x+4