Is there a solution for the lines: x + y = 3 and 2x + 2y = 6.

Mathematics

1 answer:

Rzqust [24]3 years ago

7 0

Answer:

there is infinite numb of solutions since those lines are the same (if you divide both sides of 2nd equation by 2 you will get the same as the first equation)

Step-by-step explanation:

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What is -3x^2-4x-4=0

ss7ja [257]

Answer:

<h2>no real solution</h2>

Step-by-step explanation:

$-3x^2-4x-4=0\qquad\text{change the signs}\\\\3x^2+4x+4=0\\\\\text{use the quadratic formula:}\\\\\text{for}\ ax^2+bx+c=0\\\\\text{if}\ b^2-4ac0,\ \text{then an equation has two solutions:}\ x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}$