Use the discriminant to determine the nature of the roots of 2x^2 + 4x + 3 = 0
a) no rea...
Mathematics, 14.10.2019 03:30 betru12315
Use the discriminant to determine the nature of the roots of 2x^2 + 4x + 3 = 0
a) no real roots
b) one real root
c) two distinct real roots
d) three distinct real roots
Answers: 3
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Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?
Answers: 2
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