12 maths unit 3 book back one mark online test

WISDOM MATHS TUITION CENTRE

CHRISTIAN STREET TINDIVANAM

Multiple Choice

• 0

• 4

• 4i

• -4

Multiple Choice

• mn

• m+n

• mⁿ

• n^m

Multiple Choice

• n distinct roots

• n real roots

• n complex roots

• at most one root.

Multiple Choice

Multiple Choice

• -1

• 5

Multiple Choice

Multiple Choice

• 2

• 4

• 1

• infinte

Multiple Choice

8. If x ³ + 12 x ² + 10 ax + 1999 definitely has a positive zero, if and only if

• a≥0

• a>0

• a<0

• a≤0

Multiple Choice

9. The polynomial x ³ + 2 x + 3 has

• (1) one negative and two imaginary zeros

• (2) one positive and two imaginary zeros

• (3) three real zeros

• (4) no zeros

Multiple Choice

• 0

• n

• <n

• r