Answer:
196
Step-by-step explanation:
The discriminant (Δ) is given by:

Where the polynomial is in the form:

In this problem, a = 1, b = 0, and c = -49. Thus, plugging it into the formula:

Thus, the discriminant of x² – 49 = 0 is 196.
Answer:
<h2><u><em>
66,130</em></u></h2>
I just guessed random numbers until I got 66 and 130.
You divide 162 and it equals to 81
Answer:
$14
Step-by-step explanation:
80% of $70 is $14, saving him $56
Answer:
85 remaiinder of 16
Step-by-step explanation: