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Laabri

Topical Test 2 Quiz

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Last updated about 3 hours ago
18 Nsɛmmisa
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1
Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Ros runs a dance class where there are 46 students in the class. She wants to ask her students if they would prefer to start the class at 7 pm or 8 pm. State the type of data she is collecting.

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Square PQRS is translated to P′Q′R′S′ by the column vector

$\begin{pmatrix}-3 \\ 4\end{pmatrix}$ . Describe the movement needed to translate P′Q′R′S′ back to PQRS. State the number of units moved horizontally and vertically.

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

The diagram shows a triangle.
Show the enlargement using the triangle below with the scale factor 2. Mark with a ‘X’ the centre of enlargement at $(0,4)$.

1
Asemmisa {{asɛmmisaAhyɛnsode}}
4a.

Complete the table of values for $y = 1 - 2x$.

2
Asemmisa {{asɛmmisaAhyɛnsode}}
4b.

On the grid, draw the graph of $y = 1 - 2x$ for values of $x$ from $-2$ to $3$.

  • Klik Graph tab (Graph 1, Graph 2, ne nea ɛkeka ho) so ma graph biara a ɛsɛ sɛ wobɔ.
  • Klik graph no akyi na fa asɛm bi ka ho. Fa nsɛntitiriw abien ka ho na yɛ graph. Twe asɛm bi anaa kyerɛw x ne y coordinates na sesa ne gyinabea. Klik asɛm bi so na popa.
  • Sɛ wobɔ wo graph no wie a, wubetumi ahyɛ dashed line box no mu.
2
Asemmisa {{asɛmmisaAhyɛnsode}}
4c.

Is (15,29) on the graph of $y = 1 - 2x$ ?
Explain your answer.

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

Without working out any calculations, do you think these fractions are terminating or recurring decimals? Explain why.

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

Write the fractions $\dfrac{7}{9}$, $\dfrac{2}{3}$, $\dfrac{7}{12}$, $\dfrac{5}{11}$, $\dfrac{11}{15}$ in order of size.

Mmuae Afoforo a Wobɛpaw:

The diagram below, which is not to scale, shows the position of two towns P and Q.

Diagram showing the positions of towns P and Q with bearings marked

1
Asemmisa {{asɛmmisaAhyɛnsode}}
7a.

Write down the bearing of P from Q.

2
Asemmisa {{asɛmmisaAhyɛnsode}}
7b.

Work out the bearing of Q from P.

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

Two Year 8 classes take the same Mathematics test, marked out of 80. The summary statistics are:

Summary statistics

Class 8A

Class 8B

Mean

64

66

Mode

70

64

Median

67

65

Range

30

12

Which class appears to have performed better overall?

Refer to at least two averages and explain why the answer is not completely clear.

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

The cost of hiring a car is a fixed charge of $150 plus $50 per day. Write a function to represent the cost $C$ of hiring a car per day $d$.

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

The diagram shows triangle A.

On the diagram, draw the image of triangle A after a reflection in the line $y = x$. Label the image C.

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

Work out $1 \dfrac{1}{6} \div \dfrac{2}{3}$. Give your answer as a mixed number in its simplest form.

Asemmisa {{asɛmmisaAhyɛnsode}}
12.

The frequency table shows the heights of 30 people in a theme park.

Frequency table of heights of 30 people in a theme park.

Franc thinks that the frequency table shows that the tallest person has height of 2 m. Is he correct? Explain your answer.

Asemmisa {{asɛmmisaAhyɛnsode}}
13.

Square PQRS is translated to P′Q′R′S′ by the column vector

$\begin{pmatrix}-3 \\ 4\end{pmatrix}$ . Describe the movement needed to translate P′Q′R′S′ back to PQRS. State the number of units moved horizontally and vertically.

A Rubik's cube is a popular puzzle.

Here are two questions :

1) Are students who practice regularly better at solving a Rubik's cube than students who do not?

2) Are 12 year olds better than 15 year olds at solving a Rubik's cube?

2
Asemmisa {{asɛmmisaAhyɛnsode}}
14a.

Describe four data you need to collect to answer the questions.

2
Asemmisa {{asɛmmisaAhyɛnsode}}
14b.

How can you collect the date you need?