Year 10 Equations Revision 2

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How many terms are in the expression 2a + 4b +7c + 8

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In the expression 2a + 4b +7c + 8 the coefficient of the pronumeral c is

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In the expression 2a + 4b +7c + 8 the constant term is

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Which one of the following is a like term for 7t?

1 point

7tu

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Which one of the following is a like term for 5ab?

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6abe

2ba

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Simplifying 6a + 6b gives:

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12ab

6ab

2ba

The expression cannot be simplified

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Simplifying 12a – a + 15b – 14b gives:

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11a + b

11a – b

13a + b

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2q + 6p − 5q − p simplifies to:

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7q + 5p

7q – 5p

-3q + 5p

-3q – 5p

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−4r − 6y − 3y + 5r simplifies to:

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-9r – 9y

r – 9y

r + 9y

-9r + 9y

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y(3 − 2y) expands to:

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3 – 2y²

6 – y²

3y – 6y²

3y – 2y²

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What is the equivalent of 3(a + 2b) + 2(2a − b)?

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5a + 6b

7a + 4b

5(3a + b)

7a + 8b

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If we start with x = −6, which of these equations is not true?

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-x = 6

2x = -12

x – 6 = 0

x + 4 = -2

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The solution to the equation 2x – 3 = 7 is:

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x = 2

x = –5

x = 5

x = 6.5

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x = 13

x = 7

x = 9

x = 15

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The solution to the equation m + 9 = −5 is:

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m = 4

m = -4

m = 14

m = -14

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What is the solution to the equation x − 6.3 = 5.7?

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x = 0.6

x = -0.6

x = 12

x = -12

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What is the solution to the equation 5x − 12 = −62?

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x = -14.8

x = 14.8

x = 10

x = -10

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What is the solution to the equation

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x = 9.6

x = 10.6

x = 11.6

x = 2

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What is the solution to the equation

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p = 5

p = 25

p = 45

p = 1

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If 5h + 8 = 53, then h is equal to:

1 point

h = 5

h = 12.2

h = 225

h = 9

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