Lesson 1 and 2
Give examples of irrational numbers
What is "π (pi), √9 ( or any square roots)"?
Simplify
1/53
What is "125"?
Definition of a Matrix.
What is "A matrix is a rectangular array of numbers"?
Definition of equation.
What is "An equation is a statement which indicates that two expressions are equal"?
Determine if the product of the matrices is defined.
Matrix A: 5 x 2
Matrix B 5 x 2
What is " No the inside numbers are NOT equal"?
Identify which property of real numbers is being demonstrated:
4 x 5 = 5 x 4 = 20
What is "Commutative Property of Multiplication"?
Simplify
x2 yx-5 y-4 x5 x
What is "x3 y-3 "?
Solve the matrix
5 6 8 7 2 3
+
9 0 2 4 9 5
What is
"12 8 11
13 9 7"
Solve 6x + 12 = 34
What is "x=3.666666"
Solve (multiplication)
2 8 4 5
7 5 9 3
What is
" 2(4) + 8(9) 2(5) + 8(3)
7(4) + 5(9) 7(5) + 5(3)"?
Evaluate this expression if x = 9 and y = 5
y3 x + x
What is "6,566"?
Find the domain and range and determine if it is a function.
x- 3, 4, 8, 8, 9
y - 1, 2 , 2, 6
What is "domain - 3, 4, 8, 8,9"?
What is "range- 1, 2, 2, 6"?
What is "not a function"?
Change 0.057 to a percent.
What is "5.7%"?
Solve 12(r+3) = 2(r+5) - 3r
What is "r= -2"?
Definition of inequality.
What is "An Inequality is a mathematical statement comparing quantities that are not equal"?
Evaluate an expression if a(b + a) - ab. if a = 5 and b = 8
What is "25"?
List the x-coordinates from the ordered pairs: (9,3), (5,7), (-2,4)
What is "x-coordinate pairs: 9, 5, -2"
From 130 to 189
What is "0.45384615384"?
Distance traveled is directly proportional to the time spent traveling. A motorized scooter can travel 10 kilometers in 30 minutes. How far can this scooter travel in 45 minutes?
What is "D=15 or It can travel 15 kilometers in 45 minutes"?
Give an example of inequality symbols.
What is "<, >,
< >
_ , _"?
Simplify the expression by adding like terms
3xy - 2x + 4 - 6xy + 3
What is "-3xy + x + 4"?
Definition of a function.
What is "A function is a mapping between two sets that associates with each element of the first set, the domain, a unique (one and only) element of the second set, the range"?
A hiking backpack that regularly costs $98 is being offered at a 15% discount. Find the sale price of the backpack.
What is "the sale price is $83.30"?
The cost of gas varies directly with the number of gallons purchased. If 25 gallons can be purchased for $65, how much would 30 gallons cost?
What is "30 gallons would cost $78"?
Solve inequality:
-2(x + 3) < -2x + 1
What is "-6 < 1"