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I need help with these Algebra 1 Questions?
Hi! I need help with these Algebra 1 Questions. Please help me if you can. It will truly be appreciated! Thank you in advance! Here are the questions that I am having a hard time with and that I need answers to as soon as possible:
6. Solve the equation x^2 = 49 by finding square roots.
13. Use the quadratic formula to solve the equation:
0 = x^2 + x - 20
15. Find the x-intercepts of the graph of the equation:
y = x^2 - 3x + 2
16. Find the x-intercepts of the graph of the equation:
y = x^2 - 1
17. Decide how many solutions this equation has:
x^2 - 2x + 1 = 0
1 Answer
- Anonymous10 years agoFavorite Answer
6. Solve the equation x^2 = 49 by finding square roots.
why don't you do what they're saying?
x1 = 7
x2 = -7
too hard?
13. Use the quadratic formula to solve the equation:
0 = x^2 + x - 20
ok. Use the quadratic formula.
Find the coefficients
a = 1
b = 1
c = -20
substitute the values and work out the arithmetics
x1 = 4
x2 = -5
see this online calculator to verify your answers
http://matrixlab-examples.com/quadratic-equation-s...
.