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choli [55]
3 years ago
12

Select the two values of x that are roots of this equation.

Mathematics
1 answer:
VMariaS [17]3 years ago
4 0

Answer:

x = 2, -3

Step-by-step explanation:

x^2 + 2x- 6 = 0\\=>x^2 +3x - 2x- 6 = 0\\=>x(x+3) - 2(x +3) = 0\\=> (x-2)(x+3) = 0\\\\

(x-2)  = 0     or (x+3) = 0

x = 2  or x = -3

Thus, two values of x are x = 2, -3

Note: The options given are incorrect.

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dimulka [17.4K]

Answer:

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5 0
3 years ago
Complete the following statement <br> (Picture above)
SOVA2 [1]
For this problem, you would replace x with 7 then solve.

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3 years ago
Suppose we want to choose 7 colors, without replacement, from 9 distinct colors
Digiron [165]

The number of ways to choose the colors is 36

<h3>How to determine the number of ways?</h3>

The given parameters are:

Colors = 9

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Since order does not matter, then it is combination

This is calculated using:

^nC_r = \frac{n!}{(n - r)!r!}

This gives

^nC_r = \frac{9!}{7!2!}

Evaluate

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Hence, the number of ways is 36

Read more about combination at:

brainly.com/question/11732255

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6 0
2 years ago
The king has only one sibling. what is the probability that the sibling is a male
Eva8 [605]
The sibling cab either be male or female.
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4 0
3 years ago
a triangle with a base of 6cm and a height of 8cm is similar to a triangle with base 21cm. What is the height of the second tria
Greeley [361]
Make a proportion.

Do base over height; \frac{base}{height}.

\frac{6}{8} =  \frac{21}{h}
h is the height of the second triangle. Solve for h.

Cross multiply.
\frac{6}{8} = \frac{21}{h} 
6h = 168
h = 28

The height of the second triangle is 28 cm.
5 0
3 years ago
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