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To determine the formula of a new substance, one of the first steps is to find the
a
molar mass
b
percent composition
c
volume at STP
d
number of particles per mole

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Updated 2/3/2015 9:08:21 PM

1 Answer/Comment

Write the slope intercept form of the equation of the line that passes through (-2, -3) and (2, -5).
a
y = -2x - 7
b
y = 1/2x + 4
c
y = -1/2x - 4
d
y = -2x + 1

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Updated 9/16/2014 7:50:10 AM

1 Answer/Comment

y = -1/2x - 4 is the equation that writes in the slope intercept form of the equation of the line that passes through (-2, -3) and (2, -5 ) .

Added 9/16/2014 7:44:39 AM

Write the slope intecept form of an equation for a horizontal line that passes through (-15, 11).
a
y = -11
b
y = 11
c
y = 15
d
y = -15

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Updated 11/13/2014 9:01:43 PM

1 Answer/Comment

Determine whether the function is quadratic, linear, or neither.
f(x) = 3x(x + 5)
a
neither
b
quadratic
c
linear

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Updated 2/5/2013 6:00:00 PM

1 Answer/Comment

The function is quadratic: f(x) = 3x(x + 5) = 3x^2 + 5x. So because of the x in the power of 2, the function is called quadratic.

Added 2/5/2013 6:00:00 PM

Which of the following systems of equations is inconsistent?
a
y = 2x – 3; y = –3x + 4
b
y = 7x – 2; y = –2x – 5
c
3y + 2x = 13; 6y + 4x = 3
d
4y – x = 12; 3y – 2x = 1

Question

Expert Answered

Updated 2/5/2013 6:40:49 PM

1 Answer/Comment

That the system of equations is inconsistent is: c 3y + 2x = 13; 6y + 4x = 3

Added 2/5/2013 6:40:49 PM

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