Mathematics: Identify the two statements that contradict each other: a) line fa || line ac b) line fa and ac are skew c) line fa and ac do not intersect

Find the vertex:Determine if the parabola will open up or down:Since the value of a is positive, the parabola will open upwardsFind the x and y intercepts:Factor to find the x intercepts(x+8)(x+2)x + 8 = 0x = -8x + 2 = 0x = -2x intercepts:x = -2x = -8Find the y interceptHence, C. Graph A best represents the quadratic function...

Identify the two statements that contradict each

Ответ:

nyaa70

23.08.2020

Mathematics

Find the vertex:

$\textrm{Use the formula } \frac{-b}{2a} \textrm{ to find the vertex}\\ \\ \frac{-10}{2} = -5\\ \\ \textrm{In order to find the y value plug in -5 back into the function}\\ \\ y=(-5)^2+10(-5)+16\\ y=-9\\\\ \textrm{The vertex of the function is} (-5,-9)$

Determine if the parabola will open up or down:

$a 0 \\ \\ 10$

Since the value of a is positive, the parabola will open upwards

Find the x and y intercepts:

Factor y = x^2+10x + 16 to find the x intercepts

(x+8)(x+2)

x + 8 = 0

x = -8

x + 2 = 0

x = -2

x intercepts:

x = -2

x = -8

Find the y intercept

$y = 0^2+10(0) + 16\\\\ y=16$

Hence, C. Graph A best represents the quadratic function y = x^2+10x + 16

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Identify the two statements that contradict each other:
a) line fa || line ac
b) line fa and ac are skew
c) line fa and ac do not intersect

Ответ:

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