0
X = -1 or +3.
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Give example of a quadratic equations?
X2+5x-6. a=1, b=5, and c=-6 The formula is: -b plus or minus the square root of b squared minus 4ac all over 2a. -b+square root of b2-4ac ---- 2a -5 plus or minus the square root of 5 squared minus 4(1)(-6) -5 plus or minus the square root of 25-4(-6) -5 plus or minus the square root of 25+24 -5 plus or minus the square root of 49 -5 plus or minus 7 Here is where you split into two different answers: Number 1: -5 plus 7= 2 Number 2: -5 minus 7= -12 Your answer is X=2, -12
Simplify 2 minus square root of 5 times 4 plus square root of 5?
?
Square root of 1089?
plus or minus 33
Square root of -9?
Plus or minus 3i.
What number must you add to complete the square x2 plus 16x equals -7?
square root -5 minus 14 or - square root -5 minus 14
What is the square root of 9 plus square root of 25 minus square root of 64?
The answer is 0.
Could be plus or minus?
A square root.
What does the plus over the minus sign mean?
plus or minus. You see it often with square roots. The square root of 9 is plus or minus 3.
What is the square root 2 plus 3 square root 5 Times Square root 2 minus square root 7?
24
Give example of a quadratic equations?
X2+5x-6. a=1, b=5, and c=-6 The formula is: -b plus or minus the square root of b squared minus 4ac all over 2a. -b+square root of b2-4ac ---- 2a -5 plus or minus the square root of 5 squared minus 4(1)(-6) -5 plus or minus the square root of 25-4(-6) -5 plus or minus the square root of 25+24 -5 plus or minus the square root of 49 -5 plus or minus 7 Here is where you split into two different answers: Number 1: -5 plus 7= 2 Number 2: -5 minus 7= -12 Your answer is X=2, -12
What is the square root of - 0.50?
there is no real square root of a minus number (think about it, minus x minus = plus, plus x plus=plus, and you can't have a minus x plus if it's a square root). However, there is an imaginary root which is "1/2i", where "i" represents the square root of -1. This number doesn't actually "exist" as such, it is just a theory which makes doing maths easier. However if you're not familiar with the concept of "i", you're probably not meant to end up with a minus square root (anything below A level further maths you don't usually need "i") . Check your calculations again.
Simplify 2 minus square root of 5 times 4 plus square root of 5?
?
Square root of -9?
Plus or minus 3i.
Square root of 1089?
plus or minus 33
Find the square root of 49?
Plus or minus 7.
What is a square root of a square?
Plus or minus the base. If the base is X and you square it, you get X2. If you take the square root of that, you get Plus or Minus X. This is because X*X equals X2 and -X*-X also equals X2.
What is the conjugate of x minus the square root of 2?
x plus the square root of 2
