Hong Kong

Stage 1 - Stage 3

The graphical solution of a system of two linear equations can be described as:

The point of intersection of two lines.

A

Any point that is at an equal distance from two lines.

B

The angle between two lines at their point of intersection.

C

The distance between the $y$`y`-intercepts of two lines.

D

Easy

< 1min

How can we know whether a given ordered pair is a solution of a system of equations?

Medium

1min

We are going to determine whether the point $\left(5,2\right)$(5,2) is a solution of the system of equations:

$x+y=7$`x`+`y`=7

$x-y=3$`x`−`y`=3

Medium

2min

We are going to determine whether the point $\left(4,17\right)$(4,17) is a solution of the system of equations:

$y=6x-7$`y`=6`x`−7

$4x+3y=67$4`x`+3`y`=67

Medium

1min

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