Simplify the expression.(1 − 6i) + (5 + i)

Mathematics

2 answers:

Zigmanuir [339]3 years ago

6 0

Answer:

6-5i

Step-by-step explanation:

To solve for this equations we have to group the like terms together

(1-6i)+(5+i)

we will group -6i with +i and positive 1 with positive 5

so we get (-6i+i)+(1+5)

-5i+6 or can be written as 6-5i

-6i+i ( there is actually an imaginary 1 with i and you subtract these 2 numbers because the signs are different and use the signs of the larger number which is 6 and the sign is negative.

kvasek [131]3 years ago

4 0

Answer:

6+-5i

6-5i

Step-by-step explanation:

(1-6i)+(5+i)

We do not need the ( ) since the operation is just addition.

1-6i+5+i

Reorder using commutative property so that like terms are together:

1+5+-6i+i

Use multiplicative identity property:

1+5+-6i+1i

Simplify:

6+-5i

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The equation y^2+8y−x+18=0 represents a parabola. Drag and drop the expressions into the boxes in the equation to rewrite the eq

mario62 [17]

Answer:

The equation of parabola is standard form is $x=\left(y+4\right)^2+2$

Step-by-step explanation:

Given equation of parabola is,

$y^2+8y-x+18=0$

In order to find the equation of parabola in standard form, eliminate x from left side of equation and use completing square method to find the equation.

First step is to add x on both side of equation.

$y^2+8y-x+18+x=0+x$