a)
y = 2x² - x + 10
Δ < 0
b)
y = x² + 2x + 1
Δ = 0
c)
y = 4x² - 25)
y = (2x + 5)(2x - 5)
d)
y = (x + 3)(x -3)(x + 5)(x - 5)
a) y=5b) y=2x+4c) y=(x-2)(x+4)d) y=(x-1)(x+1)(x-2)(x+2)
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a)
y = 2x² - x + 10
Δ < 0
b)
y = x² + 2x + 1
Δ = 0
c)
y = 4x² - 25)
y = (2x + 5)(2x - 5)
d)
y = (x + 3)(x -3)(x + 5)(x - 5)
a) y=5
b) y=2x+4
c) y=(x-2)(x+4)
d) y=(x-1)(x+1)(x-2)(x+2)