Show:
Translating/Evaluating Expressions and Radicals
Properties and One/Two Step Equations
Functions and Linear Inequalities
Slope, Writing Equations, and y/x intercepts
Direct and Inverse Variation
100
Simplify the radical: √̅16
4
100
Property? 4 + (-4) = 0
Inverse
100
Is this a function? (3,4), (6,4), (4,7), (4,2)
No
100
What’s the slope in this equation: y = 3x + 2
Three
100
In inverse variation what’s the formula to solve for k?
K=xy
200
Translate this in word form: 6n - 9
Nine less than six times a number
200
Property? 8=8
Reflexive
200
Which numbers are the range? (8,7), (6,5), (4,3), (2,1)
7, 5, 3, 1
200
Find the slope: (7,5), (9,6)
Slope = 1/2
200
Which variation does the line on a graph always have to touch the origin?
Direct Variation
300
Translate this in number form: Six more than a number
n + 6
300
Find x: 9x - 7 = 11
2
300
f(x) = -9x + 81 if f (-2)
99
300
Find the y intercept: 5x + 6y = 36
y=6
300
What does x equal? (Remember to set up a proportion): (x,6), (4, 2)
x=12
400
Distribute then if possible combine like terms: 60m + 9(7m + 4m)
159m
400
What does n equal? 3n - 9 = 2n + 12
n = 21
400
Solve: 6(y - 3) ≥ 4(y - 2)
y ≥ 5
400
Write an equation in point slope form using these points:(5,4), (7,8)
y - 4 = 2 (x - 5) OR y - 8 = 2 (x - 7)
400
What does y equal? (Remember to set up a proportion): (9, 3), (12,y)
y=4
500
Simplify this radical: √̅450
15√̅2
500
Solve: s + 5/ 25 = 3
s = 70
500
Solve: 2/4a + 8 > 16
a > 16
500
Find the x intercept: 25x + 2y = 2750
x = 110
500
If x varies directly as y and x = 4 when y = 6, what is x when y = 12
x=8