Linear Functions
Systems of Equations
Inequalities
Exponents &Abs Value
Surprise!
100
What is the equation for SLOPE?!
(y2 - y1) / (x2 - x1)
100
How many variables & equations are found in systems of equations?
Two Equations, Two Variables.
100
What are the SIX inequality / equality symbols?
Greater than, Less than, Greater than or equal to, less than or equal to, equal to, and not equal to
100
What is the parent function of an absolute value function?
y = |x|
100
If Stephan hiked 14 miles in 3 hours, how long would it take him to hike 35 miles?
7.5 hours - use proportions
200
What does EACH letter in the following formula stand for: Y = mx + b
Y = Y coordinate M = Slope X = X coordinate B = Y intercept
200
What is the solution to the system with the following equations, when solved by graphing: y = 5x - 4 y = -2x + 3
(1,1)
200
Graph the following inequality: c is less than 4.
On the BOARD!
200
Give an example of an exponential function!
y = any number ^ x
200
What is 68% of 42?
28.56
300
What is the formula of a line with a y intercept of 5, and the points: (6, 4) & (8, 12)?
y = 4x + 5
300
What is the correct way to express the solution to a systems of equations?
Ordered Pair
300
What is the COMPLETE solution to the following inequality: b + 4 < 18
b < 14 & see graph on board
300
Which way does the graph of the following absolute value function shift (up, down, left, or right)? y = |x - 2|
to the right of the origin
300
If Sabria invested $42 in a savings account that had an interest rate of 19% - and left her money in there for 8 years, how much would she have
$168.90
400
Parallel lines have the ________ slope. For example, y = 12x - 3 and y = 12x + 4 are parallel.
Parallel lines have the SAME slope.
400
What is the solution to the following system, when solved using the SUBSTITUTION method? 19 = 8x + 2y x = 3
(3, -2.5)
400
What is the solution to the following inequality: -5x > 15?
X < - 3
400
Simplify the following expression: (18 x ^ 9 y ^ 3) / (9 x ^ 4 y ^ 8)
2 x^5 y ^ -5
400
What is the solution to the following systems of equations, when solved by substitution: y = 2x - 4 y = x + 8
x = 12, y = 20
500
Perpendicular lines have ________ & _________ slope. For example, y = -3x + 5 & y = (1/3)x + 6 are perpendicular.
Perpendicular lines have NEGATIVE RECIPROCAL slope.
500
What is the solution to the following system when solved using the ELIMINATION method? 3x + 4y = 7 2x - 4y = 13
(4, -1.25)
500
What is the COMPLETE solution to the following compound inequality: 8 < 2x < 18
4 < x < 9 see board for graph!
500
What is the solution to the following absolute value equation: 8 = |2x - 4|
x = 6 or x = -2
500
What is the correct definition of a FUNCTION?
Any set of ordered pairs (or relation) with unique x values!
M
e
n
u