Show:
Solving Equations and Inequalities
Linear Relations and Functions
Systems of Equations and Inequalities
Matrices
Polynomials
100
Expressions that contain at least one variable ex: Evaluate: x-y^2(x+y) if x = 8 and y = -2
What is algebraic expressions answer: -16
100
Name this method to determine whether a relation is a function: Cannot intersect a graph in more than one point to represent a function
What is the vertical line test?
100
A ______ is 2 or more equations with the same variables. You find the ordered pair that satisfies all the equations by graphing or algebraically.
What is a system of equations?
100
The dimensions of a matrix are read m x n
What is rows by columns?
100
an expression that only contains one term.
What is a monomial?
200
(2 answers) the decimal form of a ______ number is either a terminating or repeating decimal. The decimal form of an _______ number neither terminates nor repeats
What is a rational number? irrational?
200
The name for any set of ordered pairs
What is a relation?
200
(2 answers) A system of equations is ___ if it has no real solution. A (1st answer) is ____ if it has an infinite number of solutions
What is inconsistent? dependent?
200
You can multiply any matrix by a constant by multiplying all of its elements by the constant. This operation is called _______ _________.
What is scalar multiplication?
200
The name for a polynomial that contains 3 separate terms and whose highest power is 5.
What is quintic trinomial?
300
The ______ ______ of a number is its distance from 0 on the number line
What is the absolute value?
300
A ___________ ___________ has a degree of one and constains only addition, subtraction, multiplication, and division of terms. The graph is always a line
What is a linear equation?
300
(2 answers) Using this method, one equation is solved for one variable in terms of the other, then is substituted for the variable in the other equation Using this method, you ged rid of one of the variables by adding or subtracting the equations. When you add 2 true equations, the result is a new equation that is also true
What is the substitution method? Elimination method?
300
True or false? To add and subtract matrices, the dimensions must be equal.
What is true.
300
ADD (3x^2 - 2x + 5) - (-3 - 3x^2 + 6x)
What is 6x^2 - 8x +8
400
Solve: -9x -3(x-2)=-10x+4
x = -1
400
name this form: y - y1 = m (x - x1)
What is point-slope form?
400
In a system of linear inequalities, the solution is...
Where the two solution sets (shaded areas) overlap.
400
To multiply matrices, what has to be true about their dimensions?
What is the columns of the first have to equal the rows of the second?
400
Multiply and Simplify: (4x - 5) (2x^2 + 2x - 1)
What is 8x ^3 -2x^2 - 14x +5
500
Solve and Graph: 35< 5-2y < 51
-15>y>-23
500
Write the equation of the line through the given points: (-3, 2) and (0, 8)
y = 2x + 8
500
Solve the following System: 3x + y = -11 2x - 3y = 0
What is (-3,-2)
500
Solve the following system using an augmented matrix and your graphing calculator. 5x+3y - z =12 -5x - 4y + 5z = -9 5x - 6y - 3z =1
What is (2, 1, 1)
500
Divide: (32x^3 - 60x^2 + 32x -4) / (4x - 4)
What is 8x^2 - 7x + 1?