Unit 4 Revision

• Mathematics
• Secondary Education
• Age 12,13

Unit 4 Revision

EQUATIONS AND INEQUALITIES

Solve the equation 6(x − 5) = 2x + 14.
Find x.

1. 8
2. 9
3. 10
4. 11

Find the value of y.

1. 8
2. 9
3. 10
4. 11

Find the value of y.

1. 6
2. 7
3. 8
4. 9

1. 1,2,4
2. 2,3,4
3. 4,8,10
4. 4,8,12

1. (2, 0)
2. (3, 0)
3. (0, 2)
4. (3, 9)

Solve:

1. (24/5, 30/7)
2. (23/7, 13/7)
3. (6/8, 2)
4. (3/7, 9/7)

Three adult tickets and two child tickets cost $50. One adult + one child = total of 20 tickets. Find the number of adult and child tickets.

1. A=10, C=10
2. A=11,C=10
3. A=9, C=10
4. A=8,C=10

Solve for x and y.

Solve for x and y.

Solve these simultaneous equations using an algebraic method.
x + 6y = 15 and 5x = 2y + 11

Solve these simultaneous equations using an algebraic method.
x + 8y = 28 and x − y = 1

Solve these inequalities.
6x > 12

Solve these inequalities.
5x + 3 ⩽ 18

Solve these inequalities.
−12 ⩽ 4x < 8

End of Unit 4 Revision

EQUATIONS AND INEQUALITIES