Show:
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
100
Simplify: 7x^2 + 12x^2
What is 19x^2
100
Solve the equation: 4x + 2 = 3(x-6) + 8
{-12}
100
Determine whether each ordered pair is a solution of the given equation: y=4x (3,12) (12,3) (-5, -20)
(3, 12) and (-5, -20) are solutions
100
Determine if the ordered pair is the solution to the system: (-5,9) 5x+3y=2 x+ 4y=14
not a solution
100
Add the polynomials: (-3x^2+x) + (4x^2 + 8x)
x^2 + 9x
200
Simplify: 5x^2 + 5x^3
Cannot be simplified
200
Solve the equation: 1.4(z-5)-0.2 = 0.5(6z-8)
{-2}
200
Find the x and y intercept: 2x + 6y = 30
x- intercept: 15 y- intercept: 5
200
Solve using the substitution method: x+y=4 y=3x
(1,3)
200
Multiply the expression using the product rule: x^2 * x^6 * x^3
x^11
300
Use the order of operations to solve: 45/ 5 x 3
27
300
Solve for M: P = C + MC
M= P-C / C
300
Determine the slope and if the lines are parallel: (-2,0) and (0,6) (1,8) and (0,5)
m= 3 slope is the same so the lines are parallel
300
Solve using the addition method: 3x=2y+7 5x=2y+13
(3,1)
300
Use the FOIL method to find the product: (7-2y)(10-3y)
6y^2 -41y + 70
400
Express the algebraic expression, then simplify: Cube a number. Subtract 4 from this exponential expression. Multiply the difference by 5.
5(x^3 -4) 5x^3 -20
400
18 is what percent of 90?
20%
400
Put the equation in slope-intercept form, and then identify the slope and y-intercept: 3x + y = 4
slope intercept form: y=-3x+4 slope: -3 y-intercept: 4
400
Let x represent one number, and y the other number. Write a system of equations, then solve the system. Three times a first number decreased by a second number is -1. The first number increased by twice the second number is 23. Find the numbers.
3x-y=-1 x+2y=23 the solution is 3 and 10
400
Find the product: 9xy (5x + 2y)
45x^2 + 18xy^2
500
Simplify: -8 -2 - (-5) + 11
6
500
4y - 7 > 9y - 2
(-infinity, -1)
500
Write the point slope form and y-intercept form: Slope: -4 passing through (-5, -2)
point-slope: y+2 = -4(x+5) y-intercept: y=-4x -22
500
Solve the system by the method of your choice: 2x-4y=3 x=2y+4
no solution
500
(5x^2 -12x -8) / (x+3)
5x - 27 + 73/(x+3)