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4 years ago

Simplify the expression: 2(4 + 6j)

Mathematics

1 answer:

aniked [119]4 years ago

8 0

Answer:

$\boxed{ \bold{ \huge{ \boxed{ \sf{8 + 12j}}}}}$

Step-by-step explanation:

$\sf{2(4 + 6j)}$

Distribute 2 through the parentheses

$\longrightarrow{ \sf{2 \times 4 + 2 \times 6j}}$

$\longrightarrow{ \sf{8 + 12j}}$

Hope I helped!

Best regards! :D

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3 years ago

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makkiz [27]

The correct statement regarding the quadratic function is:

K. I, II and III.

<h3>What is a quadratic function?</h3>

A quadratic function is given according to the following rule:

$y = ax^2 + bx + c$

If a > 0, it has a maximum value, and if a < 0, it has a minimum value.

The extreme value is $(x_v,y_v)$ , in which:

$x_v = -\frac{b}{2a}$

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The solutions are:

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In this problem, we have a function h(t). Changing the coefficient c, the h-intercept h(0) changes. Looking at the formulas in the bullet point, the value of $\Delta$ changes, meaning that both the maximum value $y_v$ and the t-intercepts $t_1$ and $t_2$ will change, so option K is correct.