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3 years ago

Which line is a graph of the equation x = –6?

Mathematics

1 answer:

vaieri [72.5K]3 years ago

8 0

Answer:

The correct line is Line A.

Step-by-step explanation:

The answer is a vertical line to the left for two reasons.

1) all x = a number equations will always make a vertical line.

2) And the negative portion of that graph would be on the left.

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Which equation is y = 2x2 – 8x + 9 rewritten in vertex form?

pishuonlain [190]

we have

$y=2x^{2} -8x+9$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$y-9=2x^{2} -8x$

Factor the leading coefficient

$y-9=2(x^{2} -4x)$

Complete the square. Remember to balance the equation by adding the same constants to each side

$y-9+8=2(x^{2} -4x+4)$

$y-1=2(x^{2} -4x+4)$

Rewrite as perfect squares

$y-1=2(x-2)^{2}$

$y=2(x-2)^{2} +1$ -----> equation in vertex form

therefore

the answer is the option C

$y=2(x-2)^{2} +1$

3 0

3 years ago

Read 2 more answers

The second hand on a clock is 8 cm long.

Alenkasestr [34]

Answer:

502cm

Step-by-step explanation:

brainliest maybe?

3 0

3 years ago

Read 2 more answers

Please help me now plz for be

KonstantinChe [14]

Answer:

33.3

Step-by-step explanation:

i used the pythagorean theorem

let me know if you need a more in depth explanation

4 0

3 years ago

Which statements are true? select two options. δabc is-congruent-to δbxc δaxc ~ δcxb δbcx is-congruent-to δacx δacb ~ δaxc δcxa

aliina [53]

Based on the properties of similar triangles, the two true statements are:

ΔAXC ≅ ΔCXB.
ΔACB ≅ ΔAXC.

<h3>The properties of similar triangles.</h3>

In Mathematics, two (2) triangles are said to be similar when the ratio of their corresponding side lengths are equal and their corresponding angles are congruent.

Based on the properties of similar triangles, we have the following points:

∠A in ΔAXC matches ∠A in ΔABC and ∠C in ΔCXB.

∠C in ΔAXC matches ∠B in ΔABC and ∠B in ΔCXB.

∠X in ΔAXC matches ∠C in ΔABC and ∠X in ΔCXB.

In this scenario, we can can logically deduce that the two true statements are:

ΔAXC is congruent to ΔCXB (ΔAXC ≅ ΔCXB).
ΔACB is congruent to ΔAXC (ΔACB ≅ ΔAXC).

Read more on similar triangles here: brainly.com/question/7411945

#SPJ1

4 0

2 years ago

A new record will be set if the temperature is less than –15°F. Which inequality shows the temperatures when a new record will b

Anika [276]

Answer:

A. t < –15

Step-by-step explanation:

The temperature has to be less than -15

t < -15

3 0

3 years ago