Mathematics
Grade 8
45 min
Which sentence matches the definition?
Tutorial Preview
1
Which sentence defines a rational number?
2
Which sentence defines a function?
3
Which sentence defines the Pythagorean theorem?
Sample Practice Questions
Easy
The definition is 'a number that can be written as a fraction of two integers.' Which number is rational?
0.5
1.π
2.√3
3.e
Easy
The definition is 'a relation where each input has exactly one output.' Which set of points is a function?
0.{(1,2), (2,4)}
1.{(1,2), (1,3)}
2.{(3,5), (3,6)}
3.{(0,1), (0,0)}
Easy
The definition is 'In a right triangle, the square of the hypotenuse (c) equals the sum of the squares of the other two sides (a and b).' Which formula matches?
0.a²+b²=c²
1.a+b=c
2.a²-b²=c²
3.ab=c
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