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ALGEBRA 1 PROJECT
7
Similarities/differences
both are similar because they have trinomials and mostly come out with the same answer .
They are different because
on one you have en dup with two binomials and in one you end up with only a monomial.
you have to use the GCF in order to find you answer in one of them.
Real world problems
Student had this in his test:
Solve and answer
2x^2-10x=8
2(1x^2-5x=4)
1x/-1 1x/-4
= 2(1x-1)(1x-4)
Similarities/Differences
The similarities between these two
are that they both have exponents
and can have both negative
exponents.
Some differences are that in scientific
notation you have have a positive exponent and in negative exponent ends up in a fraction and scientific notation it can be a big or small number
Real Word problems
ex: light travels at approximately
3.0 x 10 ^8 m/sec
how far does it travel?????
300,000,000
Ex: X/1 = 1/X^4
ALGEBRA 1 PROJECT
Example of Scientific notation
Scientific notation
*Its a method of writing a displaying numbers in terms of a decimal number between 1 and 10 by a power of 10.*
Ex: 3.0 x 10^8= 300,000,000
Negative Exponent
A negative exponent means how many times to dived by the number. that last example showed an easier way to handle negative exponents: calculate the positive exponent.
Ex: 3.0 x 10^-8= .000000003
Similarities/Differences
Both are similar because
both have exponents and
can be divided.
They are different because
the zero exponent always
equals to 1 and with
quotient rule you always have a coefficient, variable, and an exponent.
Real word problem
Student had this on the test:
2(abcdefghijklm)^0= 2(1)/4x=1/2x
-----------------
4x
Zero exponent
*It means anything raised to the zero power = 1.*
ex: 5^10/5^10= 1 ex: X^3/X^3=1
Quotient Rule
*
The big numbers divide and the small numbers subtract*
Ex: 10X^5/5X^2= 2X^3
Greatest Common factor
By: Jonathan guillen
and Icxau Martinez
2B
*the largest positive integer that divides the number without a remainder.*
Factoring trinomials into two binomials
Ex: 2x^2-10x+8
2(x^2-5x+4)
Finding two binomials that when multiplied together to produce the given trinomial.
a=1 b=-5 c=4
4x^2-16x+16
(2x)^2-2(2x)(4)=4^2
(2x-4)^2
4
-1 -4
-5