Find the sum or difference.write your answer in simplest form 2/9+1/3=

Mathematics

2 answers:

lukranit [14]3 years ago

7 0

Answer:

7/9

Step-by-step explanation:

Oliga [24]3 years ago

6 0

Answer: $\frac{5}{9}$

Step-by-step explanation:

To solve this equation, you need to first alter 1/3 to have the same denominator as 2/9. To do this you would need to multiply both the numerator and denominator by 3.

$\frac{1}{3} * \frac{3}{3} = \frac{3}{9}$

Now that you 1/3 has the same denominator of 2/9, you can add the fractions normally.

$\frac{2}{9} + \frac{3}{9} = \frac{5}{9}$

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Help on this please

eimsori [14]

Answer:

Opening: Opens upwards

Axis of Symmetry: -7/2

Vertex: (-7/2, -81/4)

X - intercepts: (1, 0) and (-8, 0)

Y - intercept: (0, -8)

Step-by-step explanation:

Opening: 'a' is greater than zero

Axis of Symmetry:

$\frac{-7}{2(1)} =\frac{-7}{2}$

Vertex:

$y= (\frac{-7}{2})^{2} +7(\frac{-7}{2}) -8\\y= (\frac{49}{4}) +(\frac{-49}{2}) -8\\y= \frac{49}{4} +\frac{-98}{4} -8\\y=\frac{-49}{4}-8\\y = \frac{-81}{4}$