GCSE GCSE Mathematics 5

Question 1

What is the gradient of a line segment from (1, 2) to (4, 8)?

Accepted Answer

2

Answer

1

Answer

3

Answer

6

Question 2

What is a vector in mathematics?

Accepted Answer

A quantity with both magnitude and direction

Answer

A measurement of area

Answer

A quantity with magnitude (size) only

Answer

A type of matrix

Question 3

Solve: x² − 9 = 0

Accepted Answer

x = 3 or x = −3

Answer

x = 3 only

Answer

x = −3 only

Answer

x = 9

Question 4

What does the discriminant (b² − 4ac) tell you about a quadratic equation ax² + bx + c = 0?

Accepted Answer

The number of real solutions the equation has

Answer

The gradient of the curve

Answer

The y-intercept

Answer

The turning point

Question 5

A shape is enlarged by scale factor 3. The original area is 12 cm². What is the new area?

Accepted Answer

108 cm²

Answer

36 cm²

Answer

72 cm²

Answer

144 cm²

Question 6

What is sin 30°?

Accepted Answer

1/2

Answer

1

Answer

√3/2

Answer

√2/2