Algebra Review
Presentation
•
Mathematics
•
8th - 10th Grade
•
Hard
James Gonzalez
FREE Resource
6 Slides • 2 Questions
1
Algebra Review
Adding Like Terms
2
Like terms - terms that have the same variable and the same powers
Ex. 5x and -7x
Ex. 3y2 and 4y2
3
Combining Like Terms -- you can add/subtract the coefficients of like terms
5x-7x=-2x
3y2+4y2 = 7y2
10x2 +5x -2x2 +3x=8x2 +8x
7a + 2b -3c +2a-c = 9a +2b-4c
4
Your Turn:
7x2 +5y -3x2 -2y +2x
=4x2-3y +2x
7a-2b+3c+2c-3b+8a
=15a-5b+5c
5
Adding Subtracting Polynomials
(3x2 + 5x +2) + (8x2 -2x +1)
=11x2+3x+3
(14y2 -2y +6) - (3y2 + 2y - 5)
=(14y2-3y2) + (-2y -2y) +[6-(-5)]
=11y2-4y+11
6
Distributive property
Ex. 5(x-4)
=5(x)-5(4)
=5x-20
Ex. x(4x+2)
x(4x)+x(2)
4x2+2x
7
Fill in the Blanks
6(x+3)
Type answer...
8
Multiple Choice
y(3y-7)
-3y
y2-7y
3y2-7y
4y2-7y
Algebra Review
Adding Like Terms
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