Introduction to Graphs Test

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Introduction to Graphs Test - 14

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Weekly Quiz Competition

Question 1
1 / -0

Directions For Questions

For an experiment in Botany, two different plants, plant A and plant B were grown under similar laboratory conditions. Their heights were measured at the end of each week for 3 weeks. The results are shown by the following graph.

...view full instructions

How much did Plant B grow from the end of the $$2^{nd}$$ week to the end of the $$3^{rd}$$ week?

A
$$2 cm$$

B
$$3 cm$$

C
$$4 cm$$

D
$$5 cm$$

Solution

In the given graph, The straight line represents the growth of the Plant $$B$$.
From the graph, we can observe that after $$2$$ weeks Plant $$B$$ has grown $$7\space cm$$ and
after $$3$$ weeks Plant $$B$$ has grown $$10\space cm$$
Therefore, from the end of the $$2^{nd}$$ week to the end of the $$3^{rd}$$ week Plant $$B$$ has grown $$10-7=3\space cm$$
Question 2
1 / -0

Directions For Questions

For an experiment in Botany, two different plants, plant A and plant B were grown under similar laboratory conditions. Their heights were measured at the end of each week for 3 weeks. The results are shown by the following graph.
(b)How high was Plant B after

...view full instructions

2 weeks

A
$$7cm$$

B
$$8cm$$

C
$$9cm$$

D
$$10cm$$

Solution

In the given graph, The straight line represents the growth of the Plant $$B$$.
From the graph, we can observe that after $$2$$ weeks Plant $$B$$ has grown $$7\space cm$$
Question 3
1 / -0

Directions For Questions

For an experiment in Botany, two different plants, plant A and plant B were grown under similar laboratory conditions. Their heights were measured at the end of each week for 3 weeks. The results are shown by the following graph.
(b)How high was Plant B after

...view full instructions

3 weeks?

A
$$7cm$$

B
$$8cm$$

C
$$9cm$$

D
$$10cm$$

Solution

In the given graph, The straight line represents the growth of the Plant $$B$$.
From the graph, we can observe that after $$3$$ weeks Plant $$B$$ has grown $$10\space cm$$
Question 4
1 / -0

Directions For Questions

The following graph shows the temperature forecast and the actual temperature for each day of a week.

...view full instructions

Days when the forecast temperature the same as the actual temperature are:

A
Tuesday, Wednesday and Thursday

B
Tuesday, Friday and Sunday

C
Thursday, Friday and Saturday

D
Tuesday, Thursday and Monday

Solution

In the given graph, the straight line represents the actual temperature and the dotted line represents the forecast temperature.
From the graph, we can observe that both the actual and forecast temperature graphs intersect at Tuesday, Friday and Sunday.
Question 5
1 / -0

For an experiment in Botany, two different plants, plant A and plant B were grown under similar laboratory conditions. Their heights were measured at the end of each week for 3 weeks. The results are shown by the following graph.
How much did Plant A grow during the 3rd week?

A
$$2cm$$

B
$$3cm$$

C
$$4cm$$

D
$$5cm$$

Solution

In the given graph, The dotted line represents the growth of the Plant $$A$$.
From the graph, we can observe that after $$2$$ weeks Plant $$A$$ has grown $$7\space cm$$ and
after $$3$$ weeks Plant $$A$$ has grown $$9\space cm$$
Therefore, during $$3^{rd}$$ week Plant $$A$$ has grown $$9-7=2\space cm$$
Question 6
1 / -0

Directions For Questions

The following graph shows the temperature forecast and the actual temperature for each day of a week.

...view full instructions

What was the minimum actual temperature during the week?

A
$$5$$

B
$$10$$

C
$$15$$

D
$$20$$

Solution

In the given graph, the straight line represents the actual temperature.

From the graph, we can observe that the minimum temperature was $$15^0C$$ which was observed on Thursday and Friday.
Question 7
1 / -0

Directions For Questions

The following graph shows the temperature forecast and the actual temperature for each day of a week.

...view full instructions

The actual temperature differs the most from the forecast temperature on:

A
Tuesday

B
Wednesday

C
Thursday

D
Friday

Solution

In the given graph, the dotted line represents the forecast temperature and the straight line represents the actual temperature.

From the graph, we can observe that the actual temperature and the forecast temperature differs mostly on Thursday i.e., the maximum difference between actual and forecast temperature ($$23.5-15=8.5$$)
Question 8
1 / -0

Directions For Questions

A courier person cycles from a town to a neighboring suburban area to deliver a parcel to a merchant. His distance from the town at different times is shown by the following graph.

...view full instructions

How far is the place of the merchant from the town?

A
$$16$$

B
$$18$$

C
$$20$$

D
$$22$$

Solution

It is given that the courier person travels from town to a neighboring suburban area.

From the graph, we can observe that the destination place is $$22\space k.m.$$ from the town.
Question 9
1 / -0

Value of $$y$$ increases exponentially from $$y=-4$$ to $$y= +4$$, then plot a $$x-y$$ graph for the given constraint.

A

B

C

D
Question 10
1 / -0

Which is the highest peak?

A
A

B
E

C
C

D
B

Solution

It can be clearly seen from the graph that E has the highest peak with value $$9000$$.