Linear Equations II

Hong Kong

Stage 1 - Stage 3

How many times can two parallel lines intersect each other?

Two

A

Zero

B

One

C

Three

D

Easy

Less than a minute

A set of concurrent lines has how many points of intersection?

At the point where the lines $y=-4x+1$`y`=−4`x`+1 and $y=x+11$`y`=`x`+11 intersect, $x=-2$`x`=−2. What is the $y$`y`-value at this point?

Consider the graph of the two lines $y=-4x+4$`y`=−4`x`+4 and $y=x-6$`y`=`x`−6.

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