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goldfiish [28.3K]
2 years ago
5

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

Mathematics
1 answer:
Andrei [34K]2 years ago
5 0

Answer:

b

Step-by-step explanation:

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Which expressions are equivalent to (5⋅x)⋅3 ?
MatroZZZ [7]
The <span>expressions that are equivalent to </span><span>(5⋅x)⋅3 are, </span><span>A,C,and D.

A. 3⋅(5⋅x)</span>
<span>B. 5⋅3+x⋅3
C. 5⋅(x⋅3)
D. 15x
E. 5⋅3⋅x⋅3 </span>






8 0
2 years ago
Sanjay graphs a quadratic function that has x-intercepts of –3 and 7. Which functions could he have graphed?
kykrilka [37]

we will select each options and find zeros

(a)

g(x)=x^2-4x-21

for finding x-intercept , we can set g(x)=0

and then we can solve for x

g(x)=x^2-4x-21=0

now, we can factor it

(x-7)(x+3)=0

we get

x=7,x=-3

so, this is TRUE

(b)

g(x)=(x-3)(x+7)

we can set it to 0

and then we can solve for x

g(x)=(x-3)(x+7)=0

we get

x=3,x=-7

so, this is FALSE

(c)

g(x)=3x^2-12x-63

we can set it to 0

and then we can solve for x

g(x)=3x^2-12x-63 =0

3(x^2-4x-21) =0

3(x-7)(x+3) =0

x=-3,x=7

so, this is TRUE

(d)

g(x)=-(x+3)(x-7)

now, we can set it to 0

and then we can solve for x

g(x)=-(x+3)(x-7)=0

x=-3,x=7

so, this is TRUE

(e)

we have

g(x)=x^2+4x-21

now, we can set it to 0

and then we can solve for x

g(x)=x^2+4x-21=0

(x+7)(x-3)=0

x=-7,x=3

so, this is FALSE

5 0
2 years ago
Read 2 more answers
Help me with this ASAP!!!
joja [24]

Answer:

5

Step-by-step explanation:

6 0
2 years ago
What is the perpendicular equation to y=-2/6x+1;(4/27,-2/3)
Sonja [21]

Answer:

you must use alltitude or hight

Step-by-step explanation:

Altitude or height

7 0
2 years ago
Use the compound interest formula to determine the final value of the given amount.
CaHeK987 [17]

Answer:

342.22$

Step-by-step explanation:

7 0
2 years ago
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