3 years ago

What value in place of the question mark makes the polynomial below a

Mathematics

1 answer:

mel-nik [20]3 years ago

5 0

Answer:

Step-by-step explanation:

Given

x² + 12x

To make the polynomial a perfect square

add ( half the coefficient of the x- term)²

= x² + 12x + 6²

= x² + 12x + 36

= (x + 6)² ← a perfect square

You might be interested in

Shirley had 9 baseball cards. She bought 2 packets of baseball cards, which gave her a total of 23 baseball cards.

Bond [772]

23-9= 14
14 divide by 2 = 7
so 7 baseball cards in a packet

8 0

2 years ago

Read 2 more answers

You for a run on monday. You ran 2.32 km. On tuesday you run the same distance how far did you run altogether

o-na [289]

Answer:4.64 km

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Train A travels 30 miles in 20 minutes at a constant speed. Train B travels 20 miles in 15 minutes at a constant speed. Redo Whi

krek1111 [17]

$\begin{gathered} \text{Train A}\Rightarrow\frac{30\text{ miles}}{20\text{ minute}}=1.5\text{ miles/minute} \\ \text{ Train B}\Rightarrow\frac{20\text{ miles}}{15\text{ minute}}=1.34\text{ miles/minute} \\ \text{The train A is going faster.} \end{gathered}$

3 0

1 year ago

Rewrite using a single exponent:<br><br> (4^6)^6

SVETLANKA909090 [29]

(4)^36

Multiply the exponent 6 by 6 to get the new exponent of 36

7 0

3 years ago

Shots invests $1000 in a certificate of deposit that earns interest. The investment’s value is multiplied by 1.02 each year

Slav-nsk [51]

Answer:

1000 times 1.02

Here the answer will be 1020.

Step-by-step explanation:

1000 times 1.02= 1020

3 0

3 years ago

Read 2 more answers