Question

17)If x²+5x+7 is divided by x+2 then the reminder will be *

1 point

1

2

3

7

18)The degree of the polynomial x4-x²+2 is *

1 point

1

2

4

0

19)The roots of quadratic equation ax²+x+b=0 are equal if *

1 point

b²=4a

b²<4a

b²>4a

4ab=1

20)Roots of the quadratic equation are equal if *

1 point

b²-4ab=0

c²-4ab=0

b²-4ac=0

b²+4ac=0


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Answer 1

6=473648758585858/85/555