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Daniel [21]
3 years ago
6

Why is -16 the leading coefficient in quadratic applications

Mathematics
2 answers:
Nataly [62]3 years ago
5 0
Many quadratic equations can be solved by factoring when the equation has a leading coefficient of 1 or if the equation is a difference of squares. The zero-factor property is then used to find solutions.
Lady bird [3.3K]3 years ago
3 0

Answer:

Step-by-step explanation:e equation has a leading coefficient of 1 or if the equation is a difference of squares. The zero-factor property is then used to find solutions. ... Another method for solving quadratics is the square root property. The variable is squared.

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Which expression is equivalent to 14x − 7 + 3(2x − 5)?
skelet666 [1.2K]

Answer:

This equation is equivalent to 20x-22

\mathrm{Expand}\:3\left(2x-5\right):\quad 6x-15\\=14x-7+6x-15\\\mathrm{Simplify}\:14x-7+6x-15:\quad 20x-22\\=20x-22

<em>Hope this helps and have a great day!</em>

5 0
3 years ago
Determine the solution when given the following expression and coordinate.
hodyreva [135]

Here's link to the answer:

tinyurl.com/wpazsebu

6 0
3 years ago
Read 2 more answers
When solving the equation x2 – 8x - 7 = 0 by completing the square, which equation
IgorLugansk [536]
<h3><u>A</u><u>n</u><u>s</u><u>w</u><u>e</u><u>r</u><u>:</u><u>-</u></h3>

Lets Solve

\\  \rm \longmapsto \:  {x}^{2}  - 8x - 7 = 0 \\  \\  \rm \longmapsto \:  {x}^{2}  - 8 {}^{}x = 7 \\  \\  \rm \longmapsto \: 4( {x}^{2}  - 8x) = 4 \times 7 \\  \\  \rm \longmapsto \:  {4x}^{2}  - 32x = 28 \\  \\  \rm \longmapsto \:  {(2x)}^{2}  - 2 \times 2x \times 8 = 28 \\  \\  \rm \longmapsto \: (2x) {}^{2}  - 2 \times 2x \times 8 +  {8}^{2}  = 28 +  {8}^{2}  \\  \\  \rm \longmapsto \:  {(2x - 8)}^{2}  = 64 + 28 \\  \\  \rm \longmapsto \:  {(2x - 8)}^{2}  = 92 \\  \\  \rm \longmapsto \: 2x - 8 =  \underline{ + }9.3 \\ \\  \rm \longmapsto \:2x =  8 + 9.3  \: or \: 8 - 9.3 \\ \\  \rm \longmapsto \:2x = 17.3 \:or \:  - 1.3 \\ \\  \rm \longmapsto \:2x = 17.3 \\ \\  \rm \longmapsto \:x =  \frac{17.3}{2}  \\ \\  \rm \longmapsto x = \:8.6

  • Ignore negative value
4 0
3 years ago
480 = 3,000 x R x 2. What is R?
7nadin3 [17]

Answer:

R= 0.08 i think

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Cuál es la altura del cono si tiene un diámetro de 18 cm y un volumen de 1.696.464 cm3 ?
bogdanovich [222]

Answer:

Altura = 20,000 cm

Step-by-step explanation:

V = (pi x r^2 x a)/3

1.696.464 = (3.14 x 9^2 x a) / 3

1.696.464 = 84,82 altura

1.696.464 / 84,82 = altura

a = 20,000cm

7 0
2 years ago
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