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Alekssandra [29.7K]
3 years ago
11

Write each relation in standard form and then find the y-intercept for each relation:

Mathematics
1 answer:
tresset_1 [31]3 years ago
4 0

Answer:

In standard form, the relation is y = 5x^2 + 100x + 507

The y-intercept is y = 507.

Step-by-step explanation:

Quadratic equation:

In standard form, it is written as:

y = ax^2 + bx + c

The y-intercept is c.

a) y = 5(x+10)^2 +7

We open the binomial to write in standard form. So

y = 5(x + 10)^2 + 7

y = 5(x^2 + 20x + 100) + 7

y = 5x^2 + 100x + 500 + 7

y = 5x^2 + 100x + 507

In standard form, the relation is y = 5x^2 + 100x + 507

The independent term, c, is 507, so the y-intercept is y = 507.

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