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lbvjy [14]
4 years ago
11

Can someone give me the answers to this or how to find the answers to it?

Mathematics
1 answer:
faltersainse [42]4 years ago
6 0

the discriminant formula is b^2-4ac

so plug the values from each equation into the formula and solve, the result is the value of the discriminant

if the number is negative, there are no real roots/x-int

if it is 0 there is one real root/x-intercepts

if it is positive it has 2 real roots/x-int

and to find the actual solutions you have to plug the values into the quadratic formula

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Answer:

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Step-by-step explanation:

Distributive property is quite easy to learn... its just multiplication in an easier form to visualize once you're used to using it.

To first start this problem you want to use the number 4 in the expression 4(5+x). You then want to multiply 4 by both terms inside of the parentheses. So you would do both 4*5 and 4*x. You would then get 20+4x because 4*5=20 and 4*x is just put together as 4x.

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the answer is c i did the test

Step-by-step explanation:

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3 years ago
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Help!
Sergeu [11.5K]

Incomplete question.  

7 0
3 years ago
Find the sum of the following without actually adding: 1+3+5+7+9+11+13+15
I am Lyosha [343]

use this formula Sn=n/2[2a+(n-1)d]

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S8=8/2[2(1)+(8-1)2]

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