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VLD [36.1K]
3 years ago
8

Someone help me out with this question thank you

Mathematics
2 answers:
luda_lava [24]3 years ago
3 0

Answer:

-1, -4

Step-by-step explanation:

The x-intercept is the point on the x-axis the line intersects.

x-intercept = -1

The y-intercept is the point on the y-axis the line intersects.

y-intercept = -4

liberstina [14]3 years ago
3 0

Answer:

x intercept is (-1,0)

y intercept is (0,-4)

Step-by-step explanation:

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Inessa [10]

Answer:

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It's option A

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3 years ago
What are the solutions of the equation 4x2 + 3x = 24 – x?
Rashid [163]

Answer:

X+4

Step-by-step explanation:

8+3x=25-x

3x+x=24-8

4x+16

6 0
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2 years ago
Add the equations. What value belongs in the green box? 3x + 2y = 9 -x - 2y = 4 [?] + [?] = [?] A. 4x B. 2x C. -3x D. -2x​
Naddika [18.5K]

Consider the first blank is the green box.

Given:

The equations are

3x+2y=9

-x-2y=4

To find:

The value belongs in the green box

Solution:

We have,

3x+2y=9        ...(i)

-x-2y=4        ...(ii)

Adding (i) and (ii), we get

3x+2y-x-2y=9+4

(3x-x)+(2y-2y)=13

2x+0=13

So, the value for the first black is 2x. It means the value belongs in the green box is 2x.

The values of three blanks are 2x, 0 and 13 respectively.

Therefore, the correct option is B.

6 0
3 years ago
Write a polynomial function in standard form given the zeros.<br><br> -1/2, -5 + i
Rama09 [41]

Answer:

y = x³ + 10.5x² + 31x + 13

Step-by-step explanation:

Complex roots (roots that have imaginary terms) always come in conjugate pairs.  So if one root is -5 + i, there's another root that's -5 − i.

So the polynomial is:

y = (x + 1/2) (x − (-5 + i)) (x − (-5 − i))

Distributing:

y = (x + 1/2) (x² − (-5 + i)x − (-5 − i)x + (-5 + i)(-5 − i))

y = (x + 1/2) (x² + 5x − ix + 5x + ix + (-5 + i)(-5 − i))

y = (x + 1/2) (x² + 10x + (-5 + i)(-5 − i))

y = (x + 1/2) (x² + 10x + 25 + 5i − 5i − i²)

y = (x + 1/2) (x² + 10x + 25 + 1)

y = (x + 1/2) (x² + 10x + 26)

y = x(x² + 10x + 26) + 1/2(x² + 10x + 26)

y = x³ + 10x² + 26x + 1/2x² + 5x + 13

y = x³ + 10.5x² + 31x + 13

8 0
3 years ago
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