Solve 2x2 + x − 4 = 0. x^2 + 1/2 x + = 2 +

Step-by-step explanation:

1  

How?

Use the Quadratic Formula.

x=−2+232,−2−232x=\frac{-2+2\sqrt{3}}{2},\frac{-2-2\sqrt{3}}{2}

x=

2

−2+2√

3

,

2

−2−2√

3

2 Simplify solutions.

x=−1+3,−1−3x=-1+\sqrt{3},-1-\sqrt{3}

x=−1+√

3

,−1−√

3

Done

Decimal Form: 0.732051, -2.732051

see below

Step-by-step explanation:

−x+y=−5

To find the x intercept, let y=0 and solve for x

-x +0 = -5

-x = -5

x=5

The x intercept is 5

To find the y intercept, let x=0 and solve for y

0 +y = -5

y = -5

The y intercept is -5