emmaleighhuskins16 emmaleighhuskins16

04-05-2021
Mathematics

contestada

What value of k makes the trinomial x^2- 10x + k a perfect square?

Respuesta :

keijosalonen keijosalonen

05-05-2021

Answer: 25

Step-by-step explanation: (x-a)² = x² - 2ax + a²

From x² - 10x + k we deduce that 10x = 2·5x and a = 5

Then k = 5²2

Answer Link

Otras preguntas

Yo can someone help me with this. Thanks

what are all the multiplication problems that make 2

If three loaves of bread cost 7.5 that how much will 5 loaves of bread cost

Carbon dioxide is released when which of the following phenomena occur? nitrogen fixation decomposition photosynthesis burning fossil fuels

Where does a peptide bond form?

Find the distance between the points (3, 8) and (-1, 9). a.square root of 5 b.square root of 15 c.square root of 17

need help please don't get it For each set of triangles,find the length of the missing side

store is giving away $10 coupon to every 7th person and $25 coupon to every 18th person. Which person will be the first for both coupons?

2. You are scheduled to be on a register but there are no customers in line you…

Help me please I don't really understand math