Determine the point of intersection of the graph of $y(x)=8x-3$ and the graph of $z(x)=-2x+2$.
Antwoord 1 correct
Correct
Antwoord 2 optie
$\frac{1}{2}$
Antwoord 2 correct
Fout
Antwoord 3 optie
$\frac{5}{6}$
Antwoord 3 correct
Fout
Antwoord 4 optie
$(\frac{5}{6},3\frac{2}{3})$
Antwoord 4 correct
Fout
Antwoord 1 optie
$(\frac{1}{2},1)$
Antwoord 1 feedback
Correct:
$$\begin{align*}
8x-3=-2x+2 & \Leftrightarrow 10x-3=2\\
& \Leftrightarrow 10x=5\\
& \Leftrightarrow x=\frac{1}{2}
\end{align*}$$
$y(\frac{1}{2})=1$. The point of intersection is $(\frac{1}{2},1)$.
Go on.
$$\begin{align*}
8x-3=-2x+2 & \Leftrightarrow 10x-3=2\\
& \Leftrightarrow 10x=5\\
& \Leftrightarrow x=\frac{1}{2}
\end{align*}$$
$y(\frac{1}{2})=1$. The point of intersection is $(\frac{1}{2},1)$.
Go on.
Antwoord 2 feedback
Antwoord 3 feedback
Antwoord 4 feedback
Wrong: Do not forget the minus-signs.
Try again.
Try again.