3 years ago

Factor and solve the equation

1 answer:

8 0

$y=4x^2-64=4(x^2-16)=4(x^2-4^2)=4(x-4)(x+4)\\\\-------------------------------\\\\4(x-4)(x+4)=0\iff x-4=0\ or\ x+4=0\\\\x=4\ or\ x=-4$

You might be interested in

The statement a (a symbol) b defined to be true if and if a/5>b/3 Which of the following is true ?(here have three questions)

Alex_Xolod [135]

Answer:

9. C

10. C

11. C

Step-by-step explanation:

simply, $\frac{4}{5} >\frac{2}{3}$

10.

the greatest divisor of 28 is 7, so:

28 + 7 = 35

11.

the greatest divisor of 15 is 5, so:

15 + 5 = 20

n = 20

the greatest divisor of 20 is 10, so:

20 + 10 = 30

5 0

2 years ago

<img src="https://tex.z-dn.net/?f=y%20%3D%202x%20%2B%201%5C%5Cy%20%3D%202x%20%2B%205" id="TexFormula1" title="y = 2x + 1\\y = 2x

Gala2k [10]

What is the question?

8 0

3 years ago

You are selling candy bars for a fundraiser. you want to sell at least $200. If snickers cost $2 per bar and M&M's cost $3 p

sveticcg [70]

Answer:

Step-by-step explanation:

Goal = > $2500

Amount raised = $700

Amount needed to raise = $2500 - 700 = $1800

Number of candy bars needed = x

Price of a candy bar = $1.50

1.5x > 1800

x > 1800 ÷ 1.5

x > 1200

Answer: They need to sell more than 1200 candy bars.

6 0

2 years ago

My question is to fill up he missing numbers for a multiplication problem and I'm stuck on that problem.The problem is _,843 x 8

matrenka [14]

Just use division =D

3 0

2 years ago

A box has 6 beads of the same size, but all are different colors. Tania draws a bead randomly from the box, notes its color, and

Amanda [17]

It is 1/6 because you only have 6 beads in total meaning that you have a one out of 6 chance of pulling out the yellow bead

6 0

3 years ago

Read 2 more answers