20,656 Answered Questions for the topic algebra 1

Algebra 1

02/24/14

In the equation -x+4=32. How is x equal to -28 if -28+4=-24

I need help for a homeschooling lesson.
Algebra 1 Algebra

02/24/14

Solve the quadratic equation 3x2 + 2x – 16 = 0 using the quadratic formula.

 Solve the quadratic equation 3x2 + 2x – 16 = 0 using the quadratic formula. 
Algebra 1

02/23/14

sin(x-6)=cos(3x-4)

solve for x
Algebra 1

02/20/14

simplify (11m^2-2mn+8n^2) + (8m^2+4mn-2n^2)

trying to check my daughter's algebra homework...
Algebra 1

02/18/14

how do you find slope ?

what is the slope of the line whose equation is 3x-2y=12?
Algebra 1

02/18/14

what is the slope of the graph y=-2x+5

how do i solve this 
Algebra 1

02/18/14

sales tax question (too long)

the sales tax collected on each sale varies directly as the amount of the sale. What is the constant of varation if a sale tax of $0.63 is collected on a sale of $9.00?   how would u solve this 
Algebra 1

02/18/14

(4,-6) , x+2y=5

Write the slope intercept form for an equation of the line that passes through the given point and is parallel to the graph of each.
Algebra 1

02/18/14

(-1,6) , 3x+y=12

Write the slope intercept form for an equation of the line that passes through the given point and is parallel to the graph of each.
Algebra 1

02/18/14

find and graph the solution set of this inequality

-3<x-1≤2 i solved ...... -3<x-1 -2<x and ....... x-1≤2 x≤3 but how do i graph this???? please help 
Algebra 1

02/18/14

how do you graph this inequality

-3<x−1≤2
Algebra 1

02/17/14

For X& Y Axis; Determine whether (12/5, -1) is a solution for 5x-3y=9

Hello, I almost have this down, but would like confirmation of the answer.  I think for the 5x-3y=9; I use a T-Table;  for X & Y  Start with x=o, so that would be X*-3y -5x The next would be... more
Algebra 1

02/17/14

(0,4) , 3x+8y=4

Write the slope-intercept form of an equation that passes through the given point and is perpendicular to the graph of each equation.
Algebra 1

02/17/14

(1,-3) , y=1/2 +4

Write the slope-intercept form of an equation that passes through the given point and is perpendicular to the graph of each equation. 
Algebra 1

02/17/14

(-3,1) , y=-3x+7

Write the slope-intercept form of an equation that passes through the given point and is perpendicular to the graph of each equation.
Algebra 1

02/17/14

F(x)=5x^2+13x+6

f(x)=5x^2+13x+6  
Algebra 1

02/17/14

radical 2x-6 < 4 How to solve for x?

Please also show how to plug in the zero and why do we plug in the zero
Algebra 1

02/17/14

What is 1 divided by 1 over 10 to the negative second power

Difficult
Algebra 1

02/15/14

the sum of two numbers is 37. the larger number is 5 more than the smaller number. What are the numbers?

I need help with this algebra question please and thank you!! :)
Algebra 1

02/13/14

Which of the following are point-slope equations of the line going through (-3, 4) and (2, 1)? Check all that apply.

  A. y - 1 = -(x - 2)   B. y - 4 = -(x + 3)   C. y - 4 = -(x + 3)   D. y + 3 = -(x - 4)   E. y - 1 = -(x -... more
Algebra 1

02/13/14

Which of the following are point-slope equations of the line going through (-3, 4) and (2, 1)? Check all that apply.

  A. y - 1 = -(x - 2)   B. y - 4 = -(x + 3)   C. y - 4 = -(x + 3)   D. y + 3 = -(x - 4)   E. y - 1 = -(x -... more
Algebra 1 Integers

02/12/14

algebra< odd number

1. the ages is  of juan and his sister add up to half their father's age> if juan is 3 yrr than older than his sister and 27 yr younger than his father how many yrs old is juan   2.altogether,... more
Algebra 1

02/11/14

Museum passes cost $5 for adults and $2 for children. One day the museum sold 1820 passes for $6100. How many of each type were sold?

I need this answer now! Please help me!
Algebra 1

02/11/14

Identify the solution(s) of the system of equations, if any

7x+2y=2 6x+2y=6
Algebra 1

02/09/14

Solve for "x" by factoring

2x(4x-5)=3

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