Answer:
13 . B
c² + c - 2 (c + 2) ( c - 1 )
_________ = ___________ (cancel c-1 )
c² + 3c - 4 ( c + 4) (c - 1 )
= c + 2
________
c + 4
14. A
6x²+ x - 1
3x - 1
( 3x - 1 ) ( 2x + 1 )
____________ (cancel 3x-1)
= 2x + 1 => length
15 . D
Area of a triangle = L x W
let x be the width
y² + 3y - 10 = 2y - 4 ( x )
y² + 3y - 10
________ = x
2y - 4
( y +5 ) ( y - 2 )
__________ = x
2 ( y -2 )
y + 5
____ = x
2
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Answer:
13 . B
c² + c - 2 (c + 2) ( c - 1 )
_________ = ___________ (cancel c-1 )
c² + 3c - 4 ( c + 4) (c - 1 )
= c + 2
________
c + 4
14. A
6x²+ x - 1
________
3x - 1
( 3x - 1 ) ( 2x + 1 )
____________ (cancel 3x-1)
3x - 1
= 2x + 1 => length
15 . D
Area of a triangle = L x W
let x be the width
y² + 3y - 10 = 2y - 4 ( x )
y² + 3y - 10
________ = x
2y - 4
( y +5 ) ( y - 2 )
__________ = x
2 ( y -2 )
y + 5
____ = x
2