Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
100
x + 5 = 7
x = 2
100
x + (-3) > 22
x > 25
100
Does the table represent a linear or non-linear funciton?
Linear function
100
Find the correlation coefficient of the following:
r = .962
100
Determine whether the equation has one solution, no solution, or infinitely many solutions.
4c-20=-20+4c
Infinitely many solutions.
100
Simplify the expression. Write your answer using only positive exponents.
(6^-2r^-19)/s^-33
(s^33)/(36r^19)
200
-2x-7x-18=x+12
x = -3
200
-2x +4 < 22
x>-9
200
What is the domain and range of the following graph:
Domain: All Real Numbers
Range: y> -3
200
Interpret a correlation coeffcient of -.984
Strong and negative
200
Solve the equation.
5(r-3)<=5r+20
All real numbers or infinitely many.
200
Determine whether the sequence is geometric, arithmetic, or neither.
4, 8, 12, 16, 20
Arithmetic
300
4(2x - 5) = 12
x = 4
300
3(4x+10) >= 3(2x-6)
x>= -8
300
What is the slope of this line:
y = -3/2 x + 11
-3/2
300
What is Miss Hibma's Dog's name?
Harper
300
Solve the system of linear equations.
y = 3x +9
y = 2x +12
x = 3
300
Simplify the expression. Write your answer using only positive exponents.
(z^4z^4)/z^1
z^7
400
2abs(-5x-10)+10=20
x = -3 and x = -1
400
3 + p/-3 > 8
p < -15
400
Find the x and y intercept of the equation:
-4x+3y=12
y intercept: (0,4)
x intercept: (-3,0)
400
How do you find the slope of a perpendicular line?
Opposite reciprocal
400
Solve the system of linear equations using substitution.
3x+4y=-18
y = -4x - 11
x = -2 and y=-3
400
Determine whether the following function is exponential growth, exponential decay or neither. If it's exponential growth or decay, find the percent change.
y = 4 (.99)^x
Exponential Decay and 1%
500
Solve for r.
A = pir^3
root3(A/pi) = r
500
2x +5 <= -3 or 6x-11> 7
x<= -4 or x>3
500
What is the slope of this line?
y + 2 = -3/2(x+4)
-3/2
500
Write an equation in slope-intercept form that passes through (4,5) and is parallel to
y = -3/2x +3
y = -3/2 x + 11
500
Solve the system of linear equations using elimination.
-2x-2y=-6
-x-y=-8
No solution
500
Solve the following equation for x:
5^(2x+8)= 5^(3x+4)
x = 4
600
You have $340 in a saving account and you save $10 per week. Your friend has $50 in a savings account and saves $20 a week. Write an equation and solve to show how many weeks it will take for you and your friend to have the same balance.
x = 29 or 29 weeks
600
Write and solve an inequality that represents the situation:
The difference of m and 6 is at least 35.
m-6>= 35
m>= 41
600
Find the value of x so that the function has the given value.
t(x) = 2/5x-9; t(x) = 3
30
600
Write an equation in point-slope form that passes through (-8,-3) and is perpendicular to
y = 4x+12
y + 3= -1/4 (x +8)
600
Write a system of equations (BUT DON'T SOLVE) that represents the following:
The members of the boosters organization at your high school bought new balls for the school. They spent $22 per basketball and $25 dollars per soccer ball, spending a total of $532. They bought a total of 30 basketballs and soccer balls. (Let b= basketball and s = soccer ball.)
22b + 25s = 532
b + s = 30
600
A social media website had 500,000 followers in 2011. The number y of followers increases by 1% each year. - Write an exponential growth function that represents the number of followers t years after 2011.
- How many people will be following the website in 2024?
y = 500000(1+ .01)^t
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