cd6h74hvqs cd6h74hvqs

13-04-2022
Mathematics

contestada

when asked to factor the x^2 - 100, a student gives the answer (x -10) (x-10). what is wrong with this answer?

Respuesta :

loneguy loneguy

13-04-2022

[tex]x^2-100\\\\=x^2-10^2\\\\=(x+10)(x-10)\\\\\text{The difference of two squares formula is}~ a^2 -b^2 =(a+b)(a-b),\\\\\text{So, the student did not apply it properly}[/tex]

Answer Link

Otras preguntas

In one year New York received 62.51 inches of rain.In November the city received 25% of rainfall. About how much rain did New York receive in November

harry is trying tq solve the equation y=2x^2 -x-6 using the quadratic formula he has made an error in one of the steps below

Help meh pls Mrs. Johnson gave a sum of money to her son and daughter in the ratio 5: 6. Her daughter received $2,400. How much did Mrs. Johnson give away in a

I really need help with 7a please explain how to show work to

how do you find the vertex of 2x^2+2x+10

In △ABC, M∈ AC and N∈ BC . Prove that MN ∥ AB , if: AM/CM =BN/CN

Consider the element carbon. How many electrons can be found in a carbon atom? How many are valence electrons? A) 6; 2 B) 6; 4 C) 12; 4 D) 12; 6

What is the author’s opinion of the Roman people? Romans are the most respected, praised, and magnificent people on Earth. Romans are rarely viewed by the rest

what process is responsible for compressing successive strata in the earth A. deposition B. folding C. faulting D. erosion

line m passes through point (-2,-1) and is perpendicular to the graph of y=-2/3x+6. Line n is parallel to line m and passes through the point (4,-3).What is t