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Year 8 Maths > Assessment 1b > Flashcards

Assessment 1b Flashcards

1
Q

-16 - 7 =

A

-23

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2
Q

-25 + 9 =

A

-16

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3
Q

-3 x 8 =

A

-24

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4
Q
  • 6 x -5 =
A

30

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5
Q

2x + 4 = 14. So, what is the value of x?

A

x=5

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6
Q

x/3 - 3 = 3. So, what is the value of x?

A

x=18

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7
Q

7x-2 = 5x + 6 So, what is the value of x?

A

x=4

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8
Q

3(2x-1) = 21 So, what is the value of x?

A

x=6

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9
Q

2(2x+3) + 4(2x+1) = 18 So, what is the value of x?

A

x=2/3

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10
Q

3(2x +4) + 2(3x + 1) = 38 So, what is the value of x?

A

x=2

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11
Q

If lines are parallel it means …

A

they have the same gradient

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12
Q

If lines are perpendicular it means…

A

they cross at a right angle

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13
Q

If the equation of a line is y=3x + 2, what is the gradient of the line?

A

3

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14
Q

If the equation of a line is y=5x-2, where does it cross the y axis?

A

-2

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15
Q

What is the y-intercept?

A

Where a line crosses the y-axis

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16
Q

What is the gradient?

A

The slope of a line

17
Q

What is the gradient of this line? y=4

A

There is no gradient so it will be a horizontal line

18
Q

Where does this line cross the y-axis? y=2x

A

It will cross the y-axis at 0

19
Q

If a line is y= x squared which of these statements is false?

a) the line will be curved
b) the line will have no negative x-co-ordinates
c) the line will have no negative y-co-ordinates

A

a and c are true, b is false.

20
Q

Maisie’s has a necklace that is p cm long.
Lottie’s necklace is 3 times Maisie’s.
Sarah has a necklace that is 4 cm longer than Maisie’s
Q. Write expressions for the length of Lottie and Sarah’s necklaces.
Lottie =
Sarah =

A 
Lottie = 3p
Sarah = p + 4
21
Q

Maisie’s has a necklace that is p cm long.
Lottie’s necklace is 3 times Maisie’s.
Sarah has a necklace that is 4 cm longer than Maisie’s
Q. If Maisie’s necklace is 14cm long, what are the lengths of Lottie and Sarah’s necklaces separately?

A 
Lottie = 42 cm
Sarah= 18 cm
22
Q

Maisie’s has a necklace that is p cm long.
Lottie’s necklace is 3 times Maisie’s.
Sarah has a necklace that is 4 cm longer than Maisie’s
Q. If Maisie’s necklace is 14cm long, what is the difference between the lengths of Lottie and Sarah’s necklaces?

A

42-18 = 24 cm

Year 8 Maths (1 decks)

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