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# what is the solution to this linear system?

This is the question: x+y=2                               3x-2y=-9

# What is the solution set for 4+ {X - 1} =11?

the brackets are supposed to be absolute value bars

2x^2+49=-20x

# the vertex of the parabola below is at the point (4, -1). Which could be this parabola's equation?

I don't understand the question. What would the equation be for this vertex of the parabola? I'm doing Conic sections, and  I don't understand the question.

math homework

# solve..............

Solve ?256?^x=?64?^(2-x)

# X^2+x-30=0

Solve using any method

# factor x^3+5x^2-3x-15=0

I cannot remember how to factor to the cubic term

# Word Problem

A solution is 10% citric acid. if 3 liters of a 20% citric acid solution are added to it, the result is a solution this is in a ratio of 13 parts citric acid to 102 parts "other than citric acid"...

# How do you factor the expression -12a^2+20a-21

I can't seem to figure it out. Thanks!

# find interest question

Find the present value of \$3,000.00 if interest is 6% compounded quarterly for 5 years

9 (2x+5)>9

# (x^3-5x^2+2x-10) / (x-5)

how do I divide this?

# the inflection point of f(x)= -2(x-4)^3 +11 is where

I also need to know the end-behavior. for example- x----> + or - infinity

# function/ graphing

Discuss/Explain how the graph F(x) = -2f(x+1) -3 can be obtained from the graph f(x). If (0,5), (6,7), and (-9,-4) are on the graph of f. where do they end up on the graph of F?

# How does e^x equal a natural logarithm?

I'm learning about this in class. The teacher switches ln for e^x and the numbers all switch. I'm just confused as to why this works.

# (2x+12)^2/3-3=13

solve and check for extraneous solutions

# Write the equation of the line which passes through (1, 2) and with slope of - 1 3 in standard form.

I have already completed the question but I am confused on how I got the the answer. y−y1 = m(x−x1) y−2 =  -1  3 •(x−1) y−2 =  -1  3 x+ 1 3   1 3 x+y...

# the equation for The line that passes through (-3, 5) and (-2, -6)

Can you help me with this question?   The equation for the line that passes through (-3,5) and (-2,-6)