459155
Beschreibung
Mindmap von semi_clear, aktualisiert more than 1 year ago
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Erstellt von semi_clear
vor fast 11 Jahre
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Pre-Calc
- Absolute value equations
- |y| = a
- y = a
- y=-a
- y = a
- Inequalities
- |y| <= a
- -a<=y<=a
Anmerkungen:
- |5 - 2x| <= 9 -9<= 5-2x<= 9 -9 (-5) <= 5(-5)-2x<= 9 (-5) (solve for x. Subtract 5) -14<= -2x<= 4 -14/-2 => -2x/-2 => 4/-2 (divide by -2. ) NOTE:Switch inequalities when dividing by negative) 7 => x => -2 or -2<=x<=7
- -a<=y<=a
- |y| < a
- y < a
- y > -a
- y < a
- |y| <= a
- |y| = a
- Polynomials
- Add and Subtract
- (ax^2 +x - 7) + (bx^2 -3x +9)
- ax^2 + bx^2 +x - 3x - 7 + 9
- (a+b)x^2 -2x +2
- (a+b)x^2 -2x +2
- ax^2 + bx^2 +x - 3x - 7 + 9
- (ax^2 +x - 7) - (bx^2 -3x +9)
- ax^2 - bx^2 + x +3x -7 -9
- (a-b)x^2 +4x - 16
- (a-b)x^2 +4x - 16
- ax^2 - bx^2 + x +3x -7 -9
- (ax^2 +x - 7) + (bx^2 -3x +9)
- Add and Subtract
- Rational Expressions
- Add and Subtract
- 5/x-1 + 4/x-2
- 5(x-2)/(x-1)(x-2) + 4(x-1)/(x-2)(x-1)
- (5x-10)/(x-1)(x-2) + (4x-4)/(x-2)(x-1)
- (9x-14)/(x-1)(x-2)
- (9x-14)/(x-1)(x-2)
- (5x-10)/(x-1)(x-2) + (4x-4)/(x-2)(x-1)
- 5(x-2)/(x-1)(x-2) + 4(x-1)/(x-2)(x-1)
- 5/x-1 + 4/x-2
- Add and Subtract
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