How many real solutions exist for this system of equations? y=x^2+4 y= 4x ОА. . zero OB. one Ос. two OD infinite Reset Next

Question

asked Mar 27, 2022 24.5k views

1 Answer

Tostao · Answer 1 · 2022-04-01T08:58:11+0000

Answer:

One

Explanation:

Set each equations equal to each other

${x}^(2) + 4 = 4x$

${x}^(2) - 4x + 4$

Find the discrimant.

${ - 4 {}^(2) - 4(1)(4) } = 0$

This means there is one real solution. Since the discramnt equal 0.