Methods are in the word document above

1a) -8

1b) -79

2a) -23 < 0 | no real roots

2b) -44 < 0 | no real roots

2c) 97 > 0 | two distinct roots

3a) p = -1/3

3b) k = 6 or k = -6

3c) 4 > 0

4a) Its a ‘show method’ question, to see method, download word document at the top of the page

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