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klio [65]
2 years ago
11

What are the x-intercepts of this quadratic function? g(x) = -2(x - 4)(x + 1)

Mathematics
1 answer:
Sav [38]2 years ago
3 0

Answer:

4 and -1

Step-by-step explanation:

A quadratic function is given to us and we need to find the x Intercepts of the given function . The function is ,

\bf \implies g(x) = -2( x -4)(x+1)

Step 1 : <u>Equate </u><u>the </u><u>function</u><u> </u><u>with</u><u> </u><u>0</u><u>,</u>

\bf \implies -2( x -4)(x+1) = 0

Step 2: <u>Equating</u><u> </u><u>with </u><u>0</u><u> </u><u>:</u><u>-</u>

Now equate each factors seperately with 0 , to get the x Intercepts.

Step 3: <u>Finding</u><u> the</u><u> </u><u>intercepts </u><u>:</u><u>-</u>

\bf \implies x - 4 = 0 \\\\\implies\boxed{\bf\blue{ x = 4 }}

Again ,

\bf \implies x + 1 = 0 \\\\\implies\boxed{ \blue{\bf x = -1}}

<u>Hence</u><u> the</u><u> </u><u>x </u><u>intercep</u><u>t</u><u>s </u><u>are </u><u>4</u><u> </u><u>and </u><u>-</u><u>1</u><u> </u><u>.</u>

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-4 -11 = ?
kodGreya [7K]

Answer:

A) -15, 5, 2

Step-by-step explanation:

8 0
3 years ago
List the integers that satisfy both these inequalities, 2x+9 -12
Flura [38]

Answer:

x < -10.5

Step-by-step explanation:

list the integers that satisfy both these inequalities, 2x+9 <-12

Subtract 9 from  both sides;

2x +9 - 9 < -12-9

2x < -21

x < -21/2

x < -10.5

<em>Hence all the integers are values of x less than 10.5</em>

<em></em>

4 0
2 years ago
9, 15, 1, 19, 4,6
mylen [45]

Answer:

is 7.5 hope i help

Step-by-step explanation:

u put them in order from least to greatest

1 , 4, 6, 9, 15, 19

then  take out one number from each side after that u are left with 6 and 9 and whats in the middle of does two numbers ? well u just estimate and it might be 7.5

6 0
2 years ago
A store donated a percentage of every sale to. The total sales were ​$6.740 so the store donated ​$337. What percent of ​$6,740
Irina-Kira [14]
Answer - 5%

6740=100%
337= x
Criss cross so do 100x337 and then divide by 6740 and you’ll get 5 which you can check by doing 5/100 of 6740
8 0
2 years ago
Can you draw an isosceles triangle with only one 80 degree angle?
aev [14]

Answer:

The triangle is 50,50 80

Step-by-step explanation:

The three angles of a triangle equal 180 degrees

We only want one 80 degree angle.  That means the other two angles have to be the same, since it is an isosceles triangle.  Call the other angle x

x+x+80 = 180

2x+80 =180

Subtract 80 from each side

2x+80-80=180-80

2x =100

Divide by 2

2x/2=100/2

x = 50

Each of the other angles in the triangle would have to equal 50 degrees

The triangle is 50,50 80

6 0
3 years ago
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