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# Solve by completing the square. X^2+8x=-15

Solve by completing the square.  X^2+8x=-15

# Solve for X. 16X-16= -1/x

Solve for X. 16X-16= -1/x   Thank you!

# Seven times the sum of a number and nine is 7

I need help with this I know it's easy but I'm drawing a blank here

# Algebra 1 Question on Rate, Distance, and Time

It is 74.4 miles from Dwane and Patti's house to Martha's house. Patti leaves home at 10:00 and drives toward Martha's house. Dwane and Martha set off half an hour later from their own houses and...

# draw a line with the given intercepts and graph each line using x and y intercepts

draw a line with the given intercpets    x intercept =4 y intercept =5   and    x intercept =-6 y intercept =-8   graph each line...

(3,2);y=3x-2

# graph the equation 3 y = 9

Note: there is a graph with this problem that I suppose to demonstrate the answer upon

# use a vertical format (2x^2+17x-6)-(6x+13x^2-3)

use a vertical format (2x^2+17x-6)-(6x+13x^2-3)

# Find the possible original number(s).

The ones digit of a two-digit number if four more than the tens digit. If the ones digit and the tens digit are interchanged, the value of the new number is 36 more than the original number. Find...

# How do you graph 2x^2+x-14?

I know that the vertex is (-0.3, -14.1) but I need a step-by-step on how to graph it. Please help!

# Perform the indicated multiplication. Then simplify v2(10v7-9v2)

Can I get some advise on this?  Perform the indicated multiplication. Then simplify √2(10√7-9√2)

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

I need help for a homeschooling lesson.

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

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

solve for x

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

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

# how do you find slope ?

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

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

how do i solve this

# 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...

# (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.