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3 years ago

2x^2 -8x+5=0 Rewrite this quadratic into vertex form and then give the vertex:

Mathematics

1 answer:

STatiana [176]3 years ago

5 0

Answer:

Step-by-step explanation:

Starting with

−

, first add 5 to both sides to get:

Divide both sides by 2 to get:

Take the square root of both sides (allowing both positive and negative roots) to get:

√

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If each of the following represents the slope of a line (or line segment), give the slope a line that is perpendicular to it. (a

Crank

Answer:

$m_2 = -\frac{3}{4}$ -- (a)

$m_2 = -\frac{7}{3}$ -- (b)

$m_2 = -\frac{1}{4}$ --- (c)

$m_2 = -3$ -- (d)

Step-by-step explanation:

Given

$a.\ m = \frac{4}{3}$

$b.\ m = \frac{3}{7}$

$c.\ m = 4$

$d.\ m = \frac{1}{3}$

Required

Determine the slope of a perpendicular line

In geometry, the condition for perpendicularity is:

$m_2 = -\frac{1}{m}$

This formula will be applied in solving these questions.

$a.\ m = \frac{4}{3}$

$m_2 = -\frac{1}{m}$

Substitute 4/3 for m

$m_2 = -\frac{1}{4/3}$

Express as a proper division

$m_2 = -1/ \frac{4}{3}$

Convert to *

$m_2 = -1* \frac{3}{4}$

$m_2 = -\frac{3}{4}$

$b.\ m = \frac{3}{7}$

$m_2 = -\frac{1}{m}$

Substitute 3/7 for m

$m_2 = -\frac{1}{3/7}$

Express as a proper division

$m_2 = -1/ \frac{3}{7}$

Convert to *

$m_2 = -1* \frac{7}{3}$

$m_2 = -\frac{7}{3}$

$c.\ m = 4$

$m_2 = -\frac{1}{m}$

Substitute 4 for m

$m_2 = -\frac{1}{4}$

$d.\ m = \frac{1}{3}$

$m_2 = -\frac{1}{m}$

Substitute 1/3 for m

$m_2 = -\frac{1}{1/3}$

Express as a proper division

$m_2 = -1/ \frac{1}{3}$

Convert to *

$m_2 = -1* \frac{3}{1}$

$m_2 = -\frac{3}{1}$

$m_2 = -3$

4 0

3 years ago

The original price of a skateboard was reduced by $15. The new price is $49. If p=the skateboard original price in dollars, whic

Aleksandr [31]

"the original price of a skateboard was reduced by $15. the new price is $49."
B. p-15=49

5 0

4 years ago

Read 2 more answers

Please answer CORRECTLY !! Will mark brainliest !!!!!

Karolina [17]

Answer:

the answer is d sorry if im wrong

5 0

4 years ago

What is 10x + 5y = -5 in slope intercept form

Lostsunrise [7]

Y = - 2x - 1

divide everything by 5 and get 2x + y = -5
move the 2x to the right and end up with
y = - 2x - 1

8 0

3 years ago

Read 2 more answers

How to solve this equation by getting a value and b value

goblinko [34]

Answer:

a=±5

Step-by-step explanation:

25=5^2

Given that, x^2−10x+25=x^2−10x+5^2

Identity: a^2−2(ab)+b^2=(a-b)^2

Here, a=x and b=5

∴=(x−5)^2

Hope this helps

3 0

4 years ago