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3 years ago

Nine more than the product of a number and 5 is equal to 7

1 answer:

3 0

9+×(5)=7 and thats ur answer. more than equals to adding and five is there just to be there so just multiply it in parentheses

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What is the value of the dicriminant Of f f(x)=-7x^2+8x+2

nignag [31]

Answer:

Step-by-step explanation:

discriminant=b²-4ac=8²-4(7)(2)=64-56=8

6 0

3 years ago

92÷9−5=913 find value of p

Vlad [161]

Answer:

which p? there isn't any p in above equation

3 0

2 years ago

What are the potential solutions of log4x+log4(x+6)=2?

lions [1.4K]

The potential solutions of $log_4x+log_4(x+6)=2$ are 2 and -8.

<h3>Properties of Logarithms</h3>

From the properties of logarithms, you can rewrite logarithmic expressions.

The main properties are:

Product Rule for Logarithms - $log_{b}(a*c)=log_{b}a+log_{b}c$
Quotient Rule for Logarithms - $log_{b}(\frac{a}{c} )=log_{b}a-log_{b}c$
Power Rule for Logarithms - $log_{b}(a^c)=c*log_{b}a$

The exercise asks the potential solutions for $log_4x+log_4(x+6)=2$ . In this expression you can apply the Product Rule for Logarithms.

$log_4x+log_4(x+6)=2\\ \\ x*(x+6)=4^2\\ \\ x^2+6x=16\\ \\ x^2+6x-16=0$

Now you should solve the quadratic equation.

Δ= $b^2-4ac=36-4*1*(-16)=36+64=100$ . Thus, x will be $x_{1,\:2}=\frac{-6\pm \:\sqrt{100} }{2\cdot \:1}=\frac{-6\pm \:10}{2}$ . Then:

$x_1=\frac{-6+10}{2}=\frac{4}{2} =2\\ \\ \:x_2=\frac{-6-10}{2}=\frac{-16}{2} =-8$

The potential solutions are 2 and -8.

Read more about the properties of logarithms here:

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2 years ago

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drek231 [11]

Answer:

i need more context-

Step-by-step explanation:

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