Part I Review #1
Part I Review #2
Chapter 6A
Chapter 6B
Chapter 7A
100
Function or Relation?
Relation
100
Find the slope between the following points:
(7, -4) and (5, 10)
-7
100
What is the solution to the following system of equations?
No solution
100
Is the point (0,0) a solution? Why or why not?
No, because the point lies on a dotted line.
100
Write in scientific notation:
.00056
5.6 x 10^-4
200
What is the domain and range of the following set?
{ (2,3), (3,3), (-1,3), (0,3), (-4,3) }
Domain: {-4, -1, 0, 2, 3}
Range: {3}
200
Solve for x:
-3x-4(4x-8)=3(-8x-1)
x=-7
200
Solve the system of equations:
x=2y+1
4x-5y=13
(7, 3)
200
Write a linear inequality from the following scenario:
Maggie needs to buy cupcakes and cookies for an upcoming birthday party. Cupcakes are $8 a dozen and cookies are $5 a dozen. Maggie has at most $45 to spend. Let x = # of dozens of cupcakes and y = # of dozens of cookies.8x + 5y <=45
200
Multiply:
(6.5 x 10^-7) (2 x 10^3)
1.3 x 10^-3
300
What is the slope of the line?
Undefined
300
Write the equation of the line in slope-intercept form with a slope of -2 passing through the point (1,2).
y=-2x+4
300
Solve the system of equations:
6x+4y=34
5x-6y=-65
(-1, 10)
300
Would the following linear inequality have a dotted or solid line when graphed? Would you shade above or below:
5x-2y<4
dotted line, shade above
300
Simplify:
(4x^-3y^5)^-2
x^6/(16y^10)
400
Write an equation to model the scenario:
A cell phone company charges $50 per month and a one-time start up fee of $22. Let x = # of months and y = cost ($).
y=50x+22
400
What is the slope of the line perpendicular to the following equation?
-3x+4y=12
-4/3
400
Define the variables x and y for the following scenario:
There are 22 people at Anita's birthday party at the skating rink and they all need to rent skates. The rink charges $3 to rent roller skates and $5 to rent in-line skates. The total bill for the rental of 22 skates is $96.
x = # of roller skates
y = # of in-line skates
400
Name one point that is a solution and one point that is NOT a solution.
Answers will vary!
(Note: a point that is a solution is in the shaded region; a point that is not a solution is NOT in the shaded region)400
Simplify:
3t^5*4r^0*t^-5*r^3*z
12r^3z
500
Simplify:
(12+2|5-2^3|)/sqrt(4)
9
500
Solve the absolute value inequality:
|x+3|-7>=-2
x<=-8 or x>=2
500
Write a system of equations from the scenario:
There are 22 people at Anita's birthday party at the skating rink and they all need to rent skates. The rink charges $3 to rent roller skates and $5 to rent in-line skates. The total bill for the rental of 22 skates is $96.
3x+5y=96
x+y=22
500
Write the inequality from the graph.
y<=2x+6
500
Simplify:
((4a^7b^-3)/(6a^4b))^2
(4a^6)/(9b^8)