Find the coordinates of the point of intersection of the two graphs. ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................

Mathematics

IGCSE&ALevel

CAIE

Exam No：9709_s20_qp_21 Year：2020 Question No：4(b)

Answer:

Solve linear equation with signs of \(3 x\) different or solve non-modulus equation \((3 x+2 a)^{2}=(3 x-4 a)^{2}\)
Obtain \(x=\frac{1}{3} a\)
Obtain \(y=3 a\)

Knowledge points:

2.1.1 understand the meaning of |x| , sketch the graph of y = |ax + b| and use relations such as |a| = |b| a - b < x < a + b when solving equations and inequalities (Graphs of and for non-linear functions are not included.)

Answer:

Knowledge points:

Solution:

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