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2 years ago

Describe how to determine whether the parabola y = 3x2 + 3x + 6 is opening upward.

Mathematics

1 answer:

qaws [65]2 years ago

4 0

Answer:

Opening upward

Step-by-step explanation:

<u>Standard equation of parabola is:</u>

y = ax² + bx + c

The parabola is opening upward if a > 0 and opening downward if a < 0

The given parabola has a = 3 > 0, therefore it is opening upward

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Rudiy27

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2 years ago

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snow_lady [41]

Answer:

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2 years ago

Determine the slope of the line that passes through the points (-4, 6) and (0,4).

gavmur [86]

Answer:

B.) $m=-\frac{1}{2}$

Step-by-step explanation:

use the slope rule

$\frac{rise}{run} \\\\\\frac{y2-y1}{x2-x1}$

Fill in values

$\frac{4-6}{0-(-4)}$

Simplify

$\frac{-2}{4}\\-\frac{2}{4}$

Simplify further

$m=-\frac{1}{2}$

Done.

3 0

3 years ago

Read 2 more answers

Which of these triangle pairs can be mapped to each other using both a translation and a reflection across the line containing A

Inessa05 [86]

Answer:

Only the first pair can be so mapped

Step-by-step explanation:

Reflection across AB and translation will leave the segment corresponding to AB having the same "north-south" (vertical) orientation. The reflection will reverse the clockwise ordering of corresponding vertices.

- selection 2: segment AY is not vertical

- selection 3: the ordering of the vertices is unchanged, not reversed

- selection 4: segment XY is not vertical