3 years ago

If a quadratic equation has a negative leading coefficient and a discriminant of -40, which of the following is true?

1 answer:

lawyer [7]3 years ago

8 0

Negative leading coefficient. Therefore it is the downward paeabola.

Discriminant of -40 therefore the parabola does not touch x-axis

so the answer is 1.

You might be interested in

Papessa [141]

If b was 3 a will be 6 because 2*3=6
and for the second part b will be 3.5 because 2*3.5=7

5 0

3 years ago

earnstyle [38]

61.26 in^2

Explanation: plug in the formula to get SA=2π1.5^2+2π(1.5)(5)

3 0

3 years ago

julsineya [31]

Answer:

the range where we see the function is between x=0 and x=7

its B

A is impossible btw, no number is smaller or equal to 0 AND bigger or equal to 7

please brainliest

8 0

3 years ago

Firdavs [7]

Answer:

D+B 12

Step-by-step explanation:

4 0

4 years ago

nasty-shy [4]

Answer:

B. 18

Step-by-step explanation:

$x^{2} + 36x + 324 = (x + m)^{2}$

$(x+18)^{2}= (x + m)^{2}$

$\cancel x+18= \cancel x + m$

$18= m$

5 0

3 years ago