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Science > Maths > Flashcards

Maths Flashcards

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1
Q

True or False: The expression 3x + 5 is a linear expression.

A

True

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2
Q

Expand the expression: 2(x + 3).

A

2x + 6

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3
Q

Factorise the expression: 4x + 8.

A

4(x + 2)

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4
Q

What is the standard form of a linear equation?

A

The standard form of a linear equation is Ax + By = C, where A, B, and C are integers.

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5
Q

Rearrange the equation: 2x + 3 = 11.

A

x = 4

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6
Q

Simplify the expression: 5x + 2x.

A

7x

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7
Q

Fill in the blank: The term ‘coefficient’ refers to the ________ in a linear expression.

A

numerical factor

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8
Q

What is the result of simplifying the expression: 7x - 2x + 5?

A

5x + 5

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9
Q

True or False: The expression 2x^2 + 3x is a linear expression.

A

False

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10
Q

Create a linear expression using the variable y and the number 7.

A

7y

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11
Q

Expand the expression: 3(2x - 4).

A

6x - 12

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12
Q

Factorise the expression: x^2 + 5x + 6.

A

(x + 2)(x + 3)

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13
Q

Rearrange the equation: 3y - 4 = 8.

A

y = 4

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14
Q

Which of the following is a linear expression? A) 2x + 3 B) x^2 - 4 C) 5/x

A

A) 2x + 3

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15
Q

Simplify the expression: 10 - 2(3 + 4).

A

-4

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16
Q

Fill in the blank: The slope-intercept form of a linear equation is ________.

A

y = mx + b

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17
Q

What do the letters ‘m’ and ‘b’ represent in the slope-intercept form?

A

‘m’ represents the slope and ‘b’ represents the y-intercept.

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18
Q

Expand the expression: (x + 3)(x - 2).

A

x^2 + x - 6

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19
Q

Factorise the expression: 6x - 9.

A

3(2x - 3)

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20
Q

Rearrange the equation: 5x + 2y = 10 for y.

A

y = 5 - 2.5x

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21
Q

True or False: 0.5x + 1 is a linear expression.

A

True

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22
Q

What is the coefficient of x in the expression: 8x + 4?

A

8

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23
Q

Simplify the expression: 4(x + 2) - 2x.

A

2x + 8

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24
Q

Fill in the blank: A linear equation has a graph that is ________.

A

a straight line

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25
What is the result of rearranging the equation: 7x - 3 = 14?
x = 2.43
26
Expand the expression: 5(2y + 3).
10y + 15
27
Factorise the expression: 12x + 16.
4(3x + 4)
28
What is the slope of the line represented by the equation y = 3x + 2?
3
29
True or False: Linear expressions can involve exponents greater than one.
False
30
Simplify the expression: 9 - 3(2 + 1).
0
31
Create a linear expression with a slope of 4 and y-intercept of -1.
y = 4x - 1
32
Expand the expression: (x + 1)(x + 4).
x^2 + 5x + 4
33
Fill in the blank: The process of rewriting an expression in a simpler form is called ________.
simplification
34
What is the first step in factoring the expression 15x + 10?
Identify the greatest common factor, which is 5.
35
Rearrange the equation: 2x - 8 = 4.
x = 6
36
True or False: The expression 5x + 2x - 3 is simplified.
False
37
What is the simplified form of 3(x + 2) + 4?
3x + 10
38
Expand the expression: 4(x - 1) + 3.
4x - 4 + 3 = 4x - 1
39
Factorise the expression: x^2 - 9.
(x - 3)(x + 3)
40
Fill in the blank: A linear expression can have ________ variables.
one
41
What is the result of simplifying the expression: 2(3x + 1) - 4x?
2x + 2
42
Create a linear expression with a variable z and a constant 5.
5z
43
Expand the expression: 2(x + 4) - 3.
2x + 8 - 3 = 2x + 5
44
Factorise the expression: 20x + 15.
5(4x + 3)
45
Rearrange the equation: 6y + 2 = 14.
y = 2
46
True or False: The coefficient of a variable can be negative.
True
47
What is the slope of the line given by the equation y = -2x + 3?
-2
48
Simplify the expression: 6x + 4 - 2x.
4x + 4
49
Fill in the blank: The term 'constant' refers to a ________ value in an expression.
fixed
50
Expand the expression: 5(x - 2) + 3x.
5x - 10 + 3x = 8x - 10
51
Factorise the expression: 18 - 6x.
6(3 - x)
52
Rearrange the equation: 4x + 5 = 13.
x = 2
53
True or False: The expression x + 2x + 3 is already simplified.
False
54
What is the result of simplifying the expression: 8 - 2(3 + 1)?
0
55
Create a linear expression involving the variable a and the number 9.
9a
56
Expand the expression: 4(2x + 1) - 2.
8x + 4 - 2 = 8x + 2
57
Factorise the expression: x^2 + 6x + 9.
(x + 3)^2
58
What does the term 'intercept' refer to in a linear equation?
The intercept is the point where the line crosses the y-axis.
59
Simplify the expression: 12 - 4(x - 2).
4 + 4x
60
Fill in the blank: The expression 3 + 4x can be factored as ________.
3 + 4x
61
Rearrange the equation: 5y - 10 = 0.
y = 2
62
True or False: A linear expression can have multiple variables.
False
63
What is the simplified form of 4y + 2y - y?
5y
64
Expand the expression: (x + 2)(x - 3).
x^2 - x - 6
65
Factorise the expression: 14x + 28.
14(x + 2)
66
What is the slope of the line represented by the equation y = 0.5x + 1?
0.5
67
Fill in the blank: The expression ax + b is in the form of a ________ equation.
linear
68
True or False: The expression 10 - 3x + 5 is a linear expression.
True

Science (3 decks)

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