2 years ago

Which of the equations given below would generate a straight line? Help :)

Mathematics

1 answer:

KiRa [710]2 years ago

4 0

I think the answer is A, not positive

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Solve a = b - 4/ c for b.

ahrayia [7]

Answer:

ac + 4 = b

Step-by-step explanation:

Step 1: Write equation

a = (b - 4)/c

Step 2: Multiply both sides by <em>c</em>

ac = b - 4

Step 3: Add 4 on both sides

ac + 4 = b

6 0

2 years ago

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Find a polar equation for the curve represented by the given cartesian equation. X2 + y2 = 2cx

Tanzania [10]

Hi,

Work:

Equation;

$x2 + y2 = 2cx$

Factor out 2x from expression.

$2x \times (1 + yc)$

Use commutative property to reorder yc.

$2x \times (1 + cy) \: \: \: \: \: \: \: \: \: \: \: \: \: result$

Hope this helps.
r3t40

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2 years ago

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Kryger [21]

A4= 64/7 a5=-256/7 a6=1024/7

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2 years ago

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Solve x2 + 2x = 4 for x by completing the square. x equals plus or minus square root of 5 plus 1 x equals plus or minus square r

steposvetlana [31]

Answer:

x equals plus or minus square root of 5 minus 1

Step-by-step explanation:

we have

$x^{2} +2x=4$

Divide by 2 the coefficient of the x-term

$2/2=1$

squared the number

$1^2=1$

Adds both sides

$x^{2} +2x+1=4+1$

$x^{2} +2x+1=5$

Rewrite as perfect squares

$(x+1)^{2}=5$

take the square root both sides

$x+1=(+/-)\sqrt{5}$

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therefore

x equals plus or minus square root of 5 minus 1

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2 years ago

Can someone please help me?

professor190 [17]

Answer:

The first one is D, and the second one is also D

Step-by-step explanation:

6 0

3 years ago