MATH IGCSE 0580

Front

What is the solution to the equation x = 6?

Back

The value of x is 6.

Front

How do you find the length of a missing side in a triangle?

Back

Use the Pythagorean theorem or trigonometric ratios depending on the information given.

Front

If the weight of a bag of potatoes is 25 kg correct to the nearest kg, what is the smallest possible weight?

Back

The smallest possible weight is 24.5 kg.

Front

If the weight of a bag of potatoes is 25 kg correct to the nearest kg, what is the largest possible weight?

Back

The largest possible weight is 25.5 kg.

Front

What does the inequality x - y - 1 ≤ 0 represent graphically?

Back

It represents a region on the coordinate plane where the line x - y - 1 = 0 is a boundary.

Front

What is the y-intercept of the function f(x) = 2x^2 + 4x + 6?

Back

The y-intercept is the point (0, 6).

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is the quadratic formula used for?

Back

The quadratic formula is used to find the roots of a quadratic equation ax^2 + bx + c = 0.

Front

How do you determine if a quadratic function opens upwards or downwards?

Back

If the coefficient of x^2 (a) is positive, it opens upwards; if negative, it opens downwards.

Front

What is the significance of the vertex in a quadratic function?

Back

The vertex represents the maximum or minimum point of the parabola.