Which would the phrase "the difference between a number and 4" look like as a variable expression?
A.
4x + 4
B.
4 – x
C.
x – 4
D.
–4x
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OpenStudy (zale101):
difference means to subtract
OpenStudy (anonymous):
theres 4 more questions by the way ;P
OpenStudy (zale101):
the word "number" means a variable
OpenStudy (anonymous):
so x-4?
OpenStudy (anonymous):
or 4-x
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OpenStudy (zale101):
x-4 is the answer
the difference between a number and 4
in other words, the subtraction between (so the munus sign has to be in BETWEEN x and 4
x - 4
- is in between
OpenStudy (zale101):
Welcome to OS :)
OpenStudy (anonymous):
ok 4 more questions to go
OpenStudy (zale101):
good luck
OpenStudy (anonymous):
Which would the phrase "three times the sum of a number and 4" look like as a variable expression?
A.
3x – 4
B.
3x + 4
C.
3(x + 4)
D.
3(3x + 4)
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