Solve Using GCF
Solve by GCF Factoring:
2x - 10 = 0
5
Solve the Quadratics by Factoring
x2+2x-3=0
-3,1
Solve the equation by taking the square root :
x2-55=26
x = plus or minus 9
\sqrt(-1)
i
What is the new name for a function that models data, formerly known as a "line of best fit"?
Regression
Solve by GCF Factoring:
4x2 - 8x = 0
0 and 2
Solve the Quadratics by Factoring
x2-10x+16=0
2, 8
Solve the equation by taking the square root :
7x2-63=0
x = plus or minus 3
What is the name of the value under the radical in the quadratic formula?
discriminant
What is the alliterative 2-word name for the quality of a regression model?
Correlation Coefficient
Solve by GCF Factoring:
3x2 = 27x
0 and 9
Solve the Quadratics by Factoring
n2-n=2
2 and -1
Solve the equation by taking the square root :
x2+9=13
x = +2 and -2
List the 4 synonyms for the answers to a quadratic equation:
Solutions
Roots
Zeroes
x-intercepts
What is the variable label for the correlation coefficient, as displayed on DESMOS?
r2
Solve by Factoring:
2x2 - 32 = 0
4 and -4
Solve the Quadratics by Factoring
x2-5x+6=0
2 and 3
Solve the equation by taking the square root :
x2-16=0
x = 4 and -4
Write down the Quadratic Formula
can't type this answer :-)
A data set is plotted, and you notice the points form a U-shaped graph. What kind of regression should you use to model the data?
Quadratic
Solve by Factoring:
2x2 - 12x - 54 = 0
9 and -3
Solve the Quadratics by Factoring
4x2-32=8x
4 and -2
Solve the equation by taking the square root :
2x2- 7 = 121
x = plus or minus 8
Simplify
\sqrt(-242)
11i\sqrt(2)
A scatter plot contains the points (0,1), (1,2), and (-2,5). Write a quadratic equation that models the data set.
y = x2+1