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3 years ago

Solve the following equations putting them in slope intercept form. Then

Mathematics

1 answer:

asambeis [7]3 years ago

7 0

Answer:

1. slope is -1 and y intercept is 2

3. slope is -2 and y intercept is -4

2. slope is -4 and y intercept is 2

4. this is not a line - it is a parabola

Step-by-step explanation:

1. -4y = 4x -8

y = -x + 2

3. 4y = -8x -16

y = -2x - 4

2. y = -4x + 2

4. y - 14 = -3x^2 -16x

y = 3x^2 - 16x + 4

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What is the answer...?

Finger [1]

Answer:The answer is c

Step-by-step explanation:

Multiply both side is the equation by -1.

Sum the equations vertically to eliminate at least one variable

Divide both sides of the equation by 3

Substitute the given value of y into the equation 2x+3y=8

and then solve for x

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3 years ago

How to round 5 2/9 x 9 3/5

aniked [119]

Answer:

50 2/15

Step-by-step explanation:

7 0

3 years ago

50 POINTS! IM SO CONFUSED I'LL MARK BRAINLIEST!!!!

yan [13]

The function of x is $\bold{\frac{-1x}{2}}$ .

<u>SOLUTION:</u>

Given that, we have to write a linear function f with function of (-4) =2 and function of 6=(−3).

Now, let the linear function be $\text{function of x}=a x+b$

Then, function of -4 = $a(-4)+b \rightarrow 2=-4 a+b \rightarrow b=2+4a \rightarrow (1)$

And, function of 6 = $a(6)+b \rightarrow-3=6 a+b \rightarrow b=-3-6a \rightarrow (2)$

On equating (1) and (2) to find the value of a,

$2+4a=-3-6a$

On grouping the common terms,

$4a+6a=-3-2 \rightarrow 10a=-5 \rightarrow a=\frac{-5}{10}$

$\Rightarrow a=\frac{-1}{2} \rightarrow (3)$

On substituting the value of (3) in (1) we get,

$b=2+4a \rightarrow b=2+4\times\frac{-1}{2} \rightarrow b=2+\frac{-4}{2} \rightarrow b=2+(-2)$

$\Rightarrow b=0$

So, the function of x = $\frac{-1x}{2}+0$

4 0

3 years ago

The height, h, in metres, of a rocket t seconds after it is launched is approximately modelled by the quadratic relation h = 80t

8_murik_8 [283]

Answer: 5 s

Step-by-step explanation:

Given

Height of the rocket can be modelled as $h=80-16t^2$

Rocket will land on earth when it's height becomes 0

$\Rightarrow 80t-16t^2=0\\\Rightarrow t(80-16t)=0\\\\\Rightarrow t=0\ \text{or}\ t=\dfrac{80}{16}=5\ s$

Neglecting 0 value

Thus, rocket remains in air for 5 s.

3 0

3 years ago

The number of times the value appears in the data set

spin [16.1K]

Answer:

Frequency

Step-by-step explanation:

4 0

3 years ago

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