What is the value of p if y = -3 in the formula p = 8 + 3y?

p = -1

p = -11/3

p = 17

What is the value of z if y = 2 in the formula 2z + 5y = 9?

z = 0.5

z = -0.5

z = 1

What is the value of v if u = 10, a = 3 and t = 2 in the formula u = v + at?

16

4

-4

Three sisters are given pocket money based on their ages. Ann is n years old, Beth is two years older and Caitlin is twice as old as Ann. Which is an expression showing the total amount of pocket money received by the girls?

4n + 2

3n + 2

3n + 4n

The three angles of a triangle are x + 20, 2x + 50 and 3x - 10. Which of the answers is an equation showing this information?

6x + 60 = 180

4x + 40 = 140

x + 10 = 100

The three angles of a triangle are x + 20, 2x + 50 and 3x - 10. What is the value of x?

x = 20

x = 10

x = -20

How can you make x the subject of the formula 3x + 2y = 7?

x=(7-2y)/3

x=(-7+2y)/-3

x=3(7-2y)

How can you make x the subject of the formula ((2xy)^0.5) ?

x=8/y

x=y/8

x=-8/y

How can you make x the subject of the formula xy + 3 = xm?

x=-3/(m+y)

x=3/(m−y)

x=(m−y)/3

Is 4x + 7 = 15 an expression, equation or formula?

Equation

Formula

None

Solve 3(2y - 5) = 9

y = 1/4

y = 4

y = -4

Solve 3j + 2 = 5j - 4

j = 3

j =-3

j = -1/3

Solve 11 - 2v = 3 - 4v

v = 1/4

v = 4

v = -4

Solve (5p/2)=15

p = 5.

p = 6.

p = 1/5.

Solve (( 7d ) / 4) - 2 = -9

Substitute y = 4 into the following equation: 4x + 2y = 52. What is the value of x?

x = 11/4.

x = 11.

x = 44/21.

Two simultaneous equations are given as 2x + y = 5 and 3x + y = 7. Find the value of x and y.

x = 1, y = 2

x = 2, y = -1

x = 2, y = 1

Two sandwiches and a juice cost £3.40. Four sandwiches and three juices cost £7.20. Which simultaneous equations show this information?

2s + j = 7.2 and 4s + 3j = 3.4

2s + 4s = 3.40 and j + 3j = 7.20

4s + 3j = 7.2 and 2s + j = 3.4

Two sandwiches and a juice cost £3.40. Four sandwiches and three juices cost £7.20. What is the cost of a juice?

£0.50

£0.40

£0.30

Two sandwiches and a juice cost £3.40. Four sandwiches and three juices cost £7.20. Find the cost of a sandwich.

£1

£1.25

£1.50

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