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  3. Chapter 1: Functions of one variable
  4. Definitions
  5. Zero
  6. Exercise

Exercise

Determine the zero of $y(x)=8-3x$.
$\frac{8}{3}$
$-\frac{8}{3}$
$\frac{3}{8}$
$-\frac{3}{8}$
Determine the zero of $y(x)=8-3x$.
Antwoord 1 correct
Correct
Antwoord 2 optie
$-\frac{8}{3}$
Antwoord 2 correct
Fout
Antwoord 3 optie
$\frac{3}{8}$
Antwoord 3 correct
Fout
Antwoord 4 optie
$-\frac{3}{8}$
Antwoord 4 correct
Fout
Antwoord 1 optie
$\frac{8}{3}$
Antwoord 1 feedback
Correct: $$\begin{align*}
8-3x = 0 & \Leftrightarrow 8=3x\\
& \Leftrightarrow x=\frac{8}{3}.
\end{align*}$$

Go on.
Antwoord 2 feedback
Wrong: Consider the minus-sign.

Try again.
Antwoord 3 feedback
Wrong: What is the solution to $3x=8$?

Try again.
Antwoord 4 feedback
Wrong: Consider the minus-sign.

Try again.