Linear Equations
Write the equation of a line in standard form parallel to 2x - y = 1 that passes thru the point (-3, 2)
2x - y = -8
Is this a relation or a function? (3, 2) (4, 1) (4, -4) (10, 1)
Relation
Solve this system of equations: 4x + 3y = 5 and 2x - 5y = -17
What is (-1, 3)
What is the solution to
(x - 2)(x - 5) <0
What is 2 < x < 5
What is the slope of an equation parallel to y = 4x +1?
What is 4
True/False: in order to be a function every x value can only be paired with one y value
What is True
What is the solution to the equations y = 2x and
y = 2x - 1
No solution, lines are parallel
Solve x squared + 2x > 0
What is x < -2 or x > 0
Find the slope of the line containing the points (-2, 6) and (2, 1)
What is -5/4
Given the function f(x) = -2x + 1 find f(11)
What is a -21
What is the solution to the system x = 4 and x = -1
What is no solution (both vertical and parallel lines)
Solve 4x(x + 1) > 3
What is x < -3/2 or x > 1/2
What's the slope of the equation 2x - 5y = 3
What is 2/5
What are the 3 ways to solve a system of equations?
What is graphing, substitution method, and elimination method.
How do you find the determinant of a 2 x 2 matrix? (describe the steps, be specific)
Multiple diagonals (a times d, b times c) and subtract. ad - bc
Find an equation in standard form of the line thru (5, 1) that os perpendicular to the line x =4.
What is y = 1
Solve the system: 3x - 2y = 6 and 5x + 3y = -9
What is (0, -3)
When you multiply terms with the same base what do you do with their exponents?
What is add the exponents