4 years ago

2x^2-12x=-14 squared

Mathematics

1 answer:

Nesterboy [21]4 years ago

6 0

Answer:

Step-by-step explanation:

2x²-12x=-14

divid by 2 :

x²- 6x = -7

(x²- 6x+9) - 9 = -7

(x - 3)²= 2

You might be interested in

Find an equation for the line that passes through the points (-6, -6) and (4,-2)

Viefleur [7K]

Answer:

y = 2/5 x - 18/5

Step-by-step explanation:

y = mx + b

m = (y2 - y1)/(x2 - x1) = [-2 - (-6)]/[4 - (-6)] = 4/10 = 2/5

y = 2/5 x + b

-6 = (2/5)(-6) + b

-30 = -12 + 5b

5b = -18

b = -18/5

y = 2/5 x - 18/5

3 0

2 years ago

What method would you choose to solve the equation 2x2 – 7 = 9? Explain why you chose this method.

lisabon 2012 [21]

is that a variable of x or a multiplication sign?

4 0

4 years ago

Read 2 more answers

A linear function contains the following points.

natima [27]

Answer:

5000

Step-by-step explanation:

7 0

3 years ago

If the circumference of the circle is 37.68 units, what is the area? (Use 3.14 for pi .)

cricket20 [7]

Answer:

Area of the circle = $113.04\;units^2$

Step-by-step explanation:

Circumference = $37.68\;units$

Circumference of the circle = $2\times \pi \times r$

As,

$\pi =\dfrac{22}{7}=3.14$

$37.68=2\times \pi \times r\\\\37.68=2\times 3.14 \times r\\\\37.68=6.28\times r\\\\r=\dfrac{37.68}{6.28} \\\\r=6\;units$

Area of a circle = $\pi \times r^2$

$=3.14\times (6\times 6)\\\\=3.14\times 36\\\\=113.04\;units^2$

3 0

3 years ago

Express in its lowest terms the ratio of 25:75

shutvik [7]

Answer: 1:3

Step-by-step explanation:

<u>Divide both sides by 25:</u>

25/25:75/25

1:3

6 0

3 years ago

Read 2 more answers