Thursday
May 5, 2016

Homework Help: Math ~ Check Answers ~

Posted by Sabrina on Wednesday, February 19, 2014 at 1:11pm.

A system of linear equations is shown below.

5X = 3y - 2
y = X + 4

What is the x -coordinate of the solution?

a.) 2
b.) 4 *****
c.) 5
d.) 1

Jean needs to graph the function below.

y = 7x ^2 + 8x -6

How many times should the graph of this function intersect the x-axis?

a.) 3
b.) 2 ******
c.) 1
d.) 0
• Math ~ Check Answers ~ - Like_A_Boss, Wednesday, February 19, 2014 at 1:13pm

DO UR OWN HW

• To Like_A_Boss - Sabrina, Wednesday, February 19, 2014 at 1:18pm

Like_A_Boss I said check not do my Homework! OK! so mind your own business!!!!

• Math ~ Check Answers ~ - Damon, Wednesday, February 19, 2014 at 1:22pm

first no I get x = 5
5X = 3y - 2
3y = 3X + 12
5 x + 3 y = 3 x + 3 y + 10

2 x = 10
x = 5

• Math ~ Check Answers ~ - Like_A_Boss, Wednesday, February 19, 2014 at 1:23pm

Tell ur mommy to check it

• Math ~ Check Answers ~ - Sabrina, Wednesday, February 19, 2014 at 1:24pm

Shut up!

• Math ~ Check Answers ~ - Damon, Wednesday, February 19, 2014 at 1:25pm

y = 7x ^2 + 8x -6
we need to make sure solution is real and not repeated

look at b^2-4ac
64 + 168
positive so sqrt of + number,
you are right, two real zeros

• Math-----Thanks Damon - Sabrina, Wednesday, February 19, 2014 at 1:27pm

Thanks Damon for checking my answers!
:-)

• Math ~ Check Answers ~ - Like_A_Boss, Wednesday, February 19, 2014 at 1:36pm

why don't u

• Math ~ Check Answers ~ - Like_A_Boss, Wednesday, February 19, 2014 at 1:37pm

B**** UR JUST COPYING WHAT I SAID

• Math ~ Check Answers ~ - Me, Wednesday, February 19, 2014 at 1:37pm

Guys stop fighting

• Math ~ Check Answers ~ - Damon, Wednesday, February 19, 2014 at 1:38pm

You are welcome :)