Mathematics 0580 · IGCSE · Graphs of functions

Graphs of functions — practice question

The four straight-line equations are labelled A, B, C and D as follows: A: $y=-3x+4$, B: $y=4x-3$, C: $y=3x-4$, D: $y=-4x-3$.
(a(i)(a))[1]

Write down the letter of the graph that includes the point $(1,-1)$.

(a(i)(b))[1]

Write down the letter of the graph whose $y$-intercept is 4.

(a(i)(c))[1]

Write down the letter of the graph with gradient $-4$.

(a(ii))[2]

Work out the numerical value of $p$.

(b(i))[3]

Complete the values table.

(b(ii))[4]

Using the grid, draw the graph of $y=x^{2}-10x$ for $-6\le x\le 15$.

(b(iii))[1]

Write down the coordinates of the graph's lowest point.

Worked solution & mark scheme

This 13-mark question has a full step-by-step worked solution and mark scheme. One marking point: The answer is C.

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