VOCABULARY
6x3 + 2x2 - 5x + 4
Leading co-efficient: 6
Number of terms: 4
Constant: 4
Solve:
7x-5=3x+11
Solve for x.
x/5 = 3/15
x = 1
Write an expression that is equivalent to eighteen less than three times a number, n. Include a let statement.
Let n = a number
3n - 18
Identify the property being used in the following expression:
6+(7+2) = (6+7)+2
Associative Property of Addition
Put the following expression in STANDARD form:
3x - 6x2 + 4x3 - 2
4x3 - 6x2 + 3x - 2
3(y2 - 1) + 4(2y2 + 3)
11y2 + 9
Solve for n.
n/5 = 8/4
n = 10
x=a
8
x2 = 16
Solve for x.
x = 4
Product, Per, Each, Twice
9x-5-2x=3(x-7)
x=-4
Solve for x.
10/6 = (x +10)/3
x = -5
Verizon charges a one-time fee of $100 towards the purchase of a cell phone plan and 25 cents per text message. Write the expression that represents the total cost of x number of text messages.
.25x+100
Solve for x.
sqrtx = 5
x = 25
What is the square root of 64?
8
Simplify:
2+3(a3-2a+1)
3a3-6a+5
Solve for m.
3/2 = 9/(m+8)
m = -2
Write a let statement and solve for the number.
Let x = a number
x = -1
2. Adi is 5 inches shorter than Sunny. Write an equation to find Adi’s height, A, if you know Sunny’s height, s.
s - 5 = A
Give one example of a rational number and one example of an irrational number.
rational - answers will vary
irrational - answers will vary
3/5 (x + 4/3) = 1.04
x = .4
Solve for x.
(x+2)/5 = (x-1)/8
x = -7
Sarah's mom found a great price on a computer monitor. She paid $200 for it, which was $50 more than half the original price. What was the original price, in terms of p, of the monitor before the sale? Include the let statement.
Let p = the original price of the monitor
200 = p/2 + 50
Solve for x.
9x - (x - 4) = 2(x+1) + 3x + 17
x = 5