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anonymous
 one year ago
What is the discriminant for the quadratic expression?
18x2 + 11x
A.
49
B.
121
C.
193
D.
280
anonymous
 one year ago
What is the discriminant for the quadratic expression? 18x2 + 11x A. 49 B. 121 C. 193 D. 280

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0discriminant = b²  4ac y = ax² + bx + c is the quadratic equation, so you have a = 18, b = 11, c = 0

Mertsj
 one year ago
Best ResponseYou've already chosen the best response.0Discriminant is b^24ac

Mertsj
 one year ago
Best ResponseYou've already chosen the best response.0\[ax^2+bx+c\] \[18x^2+11x+0\]

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.2the discriminant formula is b^24ac find the values based on the the standard quadratic equation ax^2+bx+c let a = 18,b=11, c =0 and plug it into the formula

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.2we should just have a number after calculating the discriminant

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0b²  4ac = 11²  4(18)(0)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0The part after the subtraction sign comes out to 0 so you're left with 11²

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.2anything multiplied by 0 is 0 so we are left with 11^20 =11^2 what's 11 x 11 ?
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