2 years ago

When a plane intersects a sphere, what two-dimensional shape describes the cross-section?

Mathematics

1 answer:

trasher [3.6K]2 years ago

4 0

Answer:

A Circle

Step-by-step explanation:

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The diagram represents the factorization of a2 + 8a + 12.What is the missing number that will complete the factorization? a2 + 8

jarptica [38.1K]

To factor a quadratic of the form ax^2+bx+c you need to find two values, j and k, which satisfy two conditions...

jk=ac=12 and j+k=b=8, so j and k must be 2 and 6

Then the factors are just (a+j)(a+k), in this case:

(a+2)(a+6)

So the missing term was 6

8 0

3 years ago

Read 2 more answers

Help me please with 2 and 3

IRINA_888 [86]

The answer for #2 is A

And the answer for #3 is B