Write the expression in standard form
frac{7}{3-15i}" alt="\frac{7}{3-15i}" align="absmiddle" class="latex-formula">
1 answer:
<em>Answer:</em>
<em>7/78 - 35/78i</em>
<em>Step-by-step explanation:</em>
<em>A complex number is a real number, an imaginary number or a number with both real and imaginary number. Its standard form is:
</em>
<em>a + bi
</em>
<em>
</em>
<em>For the expression, 7/ 3-15i
</em>
<em>
</em>
<em>(7/ 3-15i) (3+15i)
</em>
<em>21 - 105i / (234)
</em>
<em>7/78 - 35/78i
</em>
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P+5= -2
p= -7 ( I subtracted 5 to both sides of the equation)
1. Anwser=53.3 (do 40*3 then anwser x 4)
2anwser=120
B, the inverse is not a function, because to the x-value 0 the inverse relation orders two values: the 1 and the 5 as well.
I pretty sure this one is b
