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3 years ago

HELP PLEASE!

Mathematics

1 answer:

V125BC [204]3 years ago

5 0

There are several ways to find the zeros of a quadratic function. One of my favorite is to use a graphing calculator to graph it. The zeros can be read directly from the graph.

The zeros are -5 and 6.

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1 1. Find the x-intercepts for y= 2(x - 7)(x+2)?

givi [52]

Answer:

$b.) (7,0) and (-2,0)$

Step-by-step explanation:

To find the x-intercept, substitute 0 for y and solve for x:

$0=2(x-7)$

Divide both sides by 2:

$\frac{0}{2}=\frac{2(x-7)}{2}$

$0=x-7$

Add 7 to both sides to isolate x:

$0+7=x-7+7\\7=x$

The x-intercept for $y=2(x-7)$ is 7 at point $(7,0)$ .

$0=(x+2)$

Remove parentheses:

$0=x+2$

Subtract 2 from both sides:

$0-2=x+2-2$

$-2=x\\x=-2$

The x-intercept for $y=(x+2)$ is -2 at point $(-2,0)$ .

Finito.

5 0

3 years ago

Identify the data set that could be quadratic. HELP ASAP!!

My name is Ann [436]

Answer:

the 3rd one (:

Step-by-step explanation:

4 0

3 years ago

Helppppppppppppppppppppp

prohojiy [21]

It has to be the 2 and 3 because when you multiply fractions you use keep change flip for example 2/3 divided by 2/3 you keep the first fraction 2/3 you change division to multiplication and you flip the last fraction which will be 2/3x3/2

7 0

3 years ago

If g(x)=11x+3 find g(x+7) and g(x)+g(7).

Liono4ka [1.6K]

Answer:

g(x + 7) = 11x + 80

g(x) + g(7) = 11x + 83

Step-by-step explanation:

g(x + 7) = 11(x + 7) + 3 = 11x + 77 + 3 = 11x + 80

g(x) + g(7) = 11x + 3 + 11(7) + 3 = 11x + 3 + 77 + 3 = 11x + 83

8 0

3 years ago

Helppp me get this this right

irakobra [83]

Answer:

$4^{16}$

Step-by-step explanation:

$16^{8}=\\16*16*16*16*16*16*16*16=\\4*4*4*4*4*4*4*4*4*4*4*4*4*4*4*4=\\4^{16}$

4 0

3 years ago