Discriminant, D = b² - 4ac
x² - 4x + 5 = 0 comparing to ax² + bx + c = 0
a = 1, b = -4, c = 5
D = b² - 4ac = (-4)² - 4*1*5 = 16 - 20 = -4
In taking the square root of the discriminant of -4, √-4 = 2i = Not Real. So:
Discriminant is -4, so the equation has no real roots.
The second option is correct.
Answer:
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Step-by-step explanation: you hear G
Y=Mx+C
-8=m(-3)+(-5)
-8=-3m-5
-8+5= -3m
-3= -3m
— —
-3 -3
0=m
M=o
Therefore the equation is y=0x+ (-5)
34 + 18
the tree grew 18 ft taller meaning (+18)
add the two numbers to get
52 feet.
