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liq [111]
3 years ago
11

The points (3, 9) and (–3, –9) are plotted on the coordinate plane using the equation y = a • x. What is the value of a? Enter y

our answer in the box.
Mathematics
2 answers:
Masja [62]3 years ago
3 0
So fill out the coordinate with those given numbers, and count how far apart they are and you will get your answer. Then times it by x.
Alex777 [14]3 years ago
3 0
A = 3
because if we input x and y in y = a • x, then we get 9 = a • 3, and when you do the math, a will equal 3, same goes for (-3, -9) if you input them correctly on the equation
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5 | 61251 is this true or false?
slamgirl [31]

Step-by-step explanation:

the answer is false because its counting by 5

3 0
2 years ago
I need to know how to turn the fraction 25 over 8 into a fraction
Maslowich
If you mean turn 25/8 into a decimal its 3.125 but if u need it in a mixed fraction its 3 1/8
3 0
2 years ago
-6y+y2+3-4y2-7+1-4y<br> Please help
vaieri [72.5K]
-6y+y2+3-4y2-7+1-4y in simplified form is -10y-3y^2-3
5 0
2 years ago
find the numerical lengths of the diagonals of the parallelogram below where FB=4x-2 FD=3y-1 FC=3x and FA=3y-3. solve using a sy
Andre45 [30]

Answer:

BD = 28

AC = 24

Step-by-step explanation:

Diagonals of a parallelogram bisect each other.

4x − 2 = 3y − 1

3x = 3y − 3

Using elimination to solve the system of equations, subtract the second equation from the first.

(4x − 2) − 3x = (3y − 1) − (3y − 3)

4x − 2 − 3x = 3y − 1 − 3y + 3

x − 2 = 2

x = 4

Substitute into either equation to find y.

3(4) = 3y − 3

12 = 3y − 3

15 = 3y

y = 5

The length of BD is:

4(4) − 2 + 3(5) − 1 = 28

The length of AC is:

3(4) + 3(5) − 3 = 24

8 0
2 years ago
I need help, does anyone understand this?
Mama L [17]

a so-called zero or solution is really just an x-intercept, in which case we set the dependent variable to 0, namely y = h(x) = 0 and solve for x to get it.

\bf h(x)=4x^2-8x-60\implies \stackrel{h(x)}{0}=4x^2-8x-60\implies \stackrel{\textit{dividing by 4}}{0=x^2-2x-15} \\\\\\ 0=(x-5)(x+3)\implies x= \begin{cases} 5\\ \boxed{-3} \end{cases}

why is -3 the smallest? well, -3 is much smaller than 5 :), the further to the left you go on the number line, the smaller the number.

4 0
3 years ago
Read 2 more answers
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