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Agar persamaan kuadrat 4x2−(p−3)x+1=0 mempunyai dua akar tidak nyata, maka nilai p yang memenuhi adalah ....

Pertanyaan

A g a r space p e r s a m a a n space k u a d r a t space 4 x squared minus left parenthesis p minus 3 right parenthesis x plus 1 equals 0 space m e m p u n y a i space d u a space a k a r space t i d a k space n y a t a comma space m a k a space n i l a i space p space y a n g space m e m e n u h i space a d a l a h space....

  1. undefined

  2. negative 7 less than p less than 1

  3. 1 less than p less than 7

  4. p less than negative 1 space a t a u space p greater than 7

  5. p less than 1 space a t a u space p greater than 7

F. Pratama

Master Teacher

Mahasiswa/Alumni Universitas Putra Indonesia YPTK Padang

Jawaban terverifikasi

Pembahasan

S y a r a t space d a r i space p e r s a m a a n space k u a d r a t space a x squared plus b x plus c equals 0 space m e m i i k i space a k a r – a k a r space t i d a k space n y a t a space m a k a space n i l a i space  h a r u s space D less than 0  b squared minus 4 a c less than 0 left parenthesis negative left parenthesis p minus 3 right parenthesis right parenthesis squared minus 4 left parenthesis 4 right parenthesis left parenthesis 1 right parenthesis less than 0  p squared minus 6 p plus 9 minus 16 less than 0  p squared minus 6 p minus 7 less than 0  left parenthesis p minus 7 right parenthesis left parenthesis p plus 1 right parenthesis less than 0    J a d i space H p equals negative 1 less than p less than 7

 

30

5.0 (1 rating)

Pertanyaan serupa

Agar akar-akar persamaan kuadrat (m+7)x2−(m+4)x+1=0 tidak real, maka nilai m haruslah ....

91

4.0

Jawaban terverifikasi

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