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3 years ago

8

is it always true that the y-values of a quadratic function have opposite signs on either side of a zero of the function? Explai

n why or give a counterexample.

1 answer:

deff fn [24]3 years ago

5 0

Answer:

It is true both sides have opposite signs

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A bowl of fruit contains 10 oranges, 12 apples, 6 plums, and 2 peaches. If you want to compare the number of apples to oranges w

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Answer:

Kindly check explanation

Step-by-step explanation:

To compare the number of apples to oranges

Number of apples = 12

Number of oranges = 10

Number of apples in terms of oranges :

12 /10 = 1.2

Number of apples = 1.2(number of oranges)

If number of apples = x

Number of oranges = y

x = 1.2y

There are 1.2 times the number of apples than number of oranges.

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3 years ago

What is the value of x in the inequality start fraction seven minus two x over negative four end fraction plus two less than neg

algol13

Answer:

$x$

Step-by-step explanation:

$\frac{7-2x}{-4} +2$

Subtract 2 from both sides

$\frac{7-2x}{-4}$

mutliply both sides by -4, flip the inequality

$7-2x >4x+8$

Add 2x on both sideds

$7>6x+8$

Subtract 8 from both sides

$-1>6x$

Divide both sides by 6

$x$

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3 years ago

A marble is randomly selected from a bag containing 3 red marbles, 3 blue marbles and 3 green marbles. What is the probability t

ddd [48]

Answer:

$\frac{1}{3}$

Step-by-step explanation:

Formula: Correct result / Total possible results

Plug it in: 3/9

Simplify: 1/3

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3 years ago

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Select the two values of x that are roots of this equation.<br> 2x2 + 11x - 6 = 0

sukhopar [10]

Answer:

2×2 +11x - 6 =0

4 + 11x - 6 = 0

11x - 6 =4

-6 + 4 = 11x

-2 = 11x

X =11/2

X =5.2

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3 years ago

Use the Distributive Property to write each expression as an equivalent algebraic expression.

xxMikexx [17]

Answer:

21 + 3a

Step-by-step explanation:

3 (7+a)

distribute 3 into parentheses:

21 + 3a

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3 years ago

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