Równania kwadratowe:
a)x²+8x=0
b)2x²-10x=0
c)x²-5x=0
d)x²=-½x
e)3x²-⁹/₄x=0
f)y²+0,75y=0,25y
x(x +8) = 0
x = 0, lub x +8 =0
x =0, lub x = -8
2x(x -5) = 0
2x =0, lub x -5 = 0
x = 0, lub x = 5
x(x -5) = 0
x = 0, lub x -5 = 0
x =0, lub x = 5
x² +½x = 0
x(x +½) = 0
x = 0, lub x +½ = 0
x =0, lub x = -½
x(3x -9/4) = 0
x =0, lub 3x -9/4 = 0
x = 0, lub 3x = 9/4 /*⅓
x = 0, lub x = (9/4)*⅓
x = ¾
y² +0,75y -0,25y = 0
y² + 0,5y = 0
y(y +0,5) = 0
y = 0, lub y +0,5 = 0
y = 0, lub y = -0,5
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Równania kwadratowe:
a)x²+8x=0
x(x +8) = 0
x = 0, lub x +8 =0
x =0, lub x = -8
b)2x²-10x=0
2x(x -5) = 0
2x =0, lub x -5 = 0
x = 0, lub x = 5
c)x²-5x=0
x(x -5) = 0
x = 0, lub x -5 = 0
x =0, lub x = 5
d)x²=-½x
x² +½x = 0
x(x +½) = 0
x = 0, lub x +½ = 0
x =0, lub x = -½
e)3x²-⁹/₄x=0
x(3x -9/4) = 0
x =0, lub 3x -9/4 = 0
x = 0, lub 3x = 9/4 /*⅓
x = 0, lub x = (9/4)*⅓
x = ¾
f)y²+0,75y=0,25y
y² +0,75y -0,25y = 0
y² + 0,5y = 0
y(y +0,5) = 0
y = 0, lub y +0,5 = 0
y = 0, lub y = -0,5