How many three-digit palindromes (numbers that read the same forward and backward) satisfy the following property: the sum of three things -- the hundreds digit, the units digit, and the product of the units and tens digits -- is eight more than the tens digit?

There are 3 three-digit palindromes satisfy the property.

242 , 313  and  404

Step-by-step explanation:

Consider the provided information.

It is given that the sum of three things -- the hundreds digit, the units digit, and the product of the units and tens digits -- is eight more than the tens digit.

Let the number is "aba" (last and first digit will be same, As it is palindromes)

Then we have:

a + a + ba =  b + 8              

2a +  ba - b = 8  

Substitute a = 1 in 2a +  ba - b = 8  

2 +  b - b = 8  

2 ≠ 8   so 'a" can't be 1.

Substitute a = 2 in 2a +  ba - b = 8  

4 +  2b - b = 8  

b = 8- 4

b = 4

So, the first number is: 242

Substitute a = 3 in 2a +  ba - b = 8  

6 +  3b - b = 8  

2b = 2

b = 1

So, the second number is: 313

Substitute a = 4 in 2a +  ba - b = 8  

8 +  4b - b = 8  

3b = 8-8

b = 0

So, the third number is: 404

Substitute a = 5 in 2a +  ba - b = 8  

10 +  5b - b = 8  

4b = -2

b should be whole number so no other numbers are possible.

Hence, there are 3 three-digit palindromes satisfy the property.

242 , 313  and  404

both graphs increase on their domain

neither graph has a y-intercept

step-by-step explanation:

the following points can be visualized easily from the graph

need more detail

step-by-step explanation:

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