Y intercept - Study guides, Class notes & Summaries

CWP Test Questions With 100% Correct Answers Latest Updated (Graded A+) I am using x to predict y. When I know the value of x, the mean-squared-error of my estimate of y is less than when I don't know x. - answer-x explains some of the variance in y If the SSmodel is greater than the SSresidual... - answer-the model accounts for more than 50% of the total variance What is the coefficient of determination? - answer-The proportion of variance accounted for in the dependent variable by the ...

distance formula d = √[( x₂ - x₁)² + (y₂ - y₁)²] pythagorean theorem a²+b²=c² area of a triangle A=1/2bh midpoint formula (x₁+x₂)/2, (y₁+y₂)/2 parabola the graph of a quadratic function axis of a parabola the line passing through the focus and the vertex vertex of the parabola the highest or lowest point on the graph (h,k) = (x,y) x-intercepts X intercept: (#, 0) let y = 0, then solve for x y-intercepts Y i...

WGU C955 Formulas and Terms (New 2023/ 2024 Update) Applied Probability and Statistics _ 100% Correct _ Questions and Verified Answers QUESTION Quantitative (numerical) data consists of data values that are numerical,quan- tities that can be counted or measured (additions/subtractions makesense) Examples: Height, Salary, Chance of rain, Weight QUESTION Categorical (qualitative) data Answer: consist of data that are groups or labels,and are not necessarily numerical (a...

Determine the slope and the y-intercept. Use the slope and the y-intercept to graph the equation. Use a graphing calculator to verify your work. y=4x-8 - CORRECT ANSWER Slope is m=4 Y-intercept= (0,-8) Determine the slope and the y-intercept. Use the slope and the y-intercept to graph the equation. y=1 - CORRECT ANSWER Slope is m= 0 Y-intercept= (0,1) Use the graphing tool to graph the linear equation. Use the slope and y-intercept when drawing the line. 2x+y=1 ...

Part 1 Part 1 Simplify (2a^3b)^-3 (2^-3 a^(3 -3) * b^-3) 2^-3 a^-9b^-3 1/8a^9b^3 Simplify (-4x^2y^-3)^-2 y^6/16x^4 Simplify Radical 1/64 Radical 1/Radical 64 1/8 ^3 Radical -27 -3 Complex numbers: Complex numbers Find x and y such that the following is correct: 3x + 5yi= 15 + 5i 3x + 5yc= 15 + 5c 3x=15 and 5yc=5c x=5 and y=1 Find x and y such that the following is correct: 10x -4yi = 20 + 1/2i 10x - 4y...

WGU C957 Applied Algebra Guide (New 2023/ 2024 Update) | Questions and Verified Answers| 100% Correct| Grade A QUESTION Moore's Law about every 2 years, the number of transistors that can fir on a circuit doubles QUESTION inverse function denotation Answer: f^-1(x) QUESTION Order of Operations Answer: Parentheses, Exponents, Multiplication, Division, Addi- tion, Subtraction QUESTION linear function Answer: y = mx + b QUESTION line'...

response (dependent) variables - ANS one particular variable that we are interested in understanding or modeling (y) predicting or explanatory (independent) variables - ANS a set of other variables that might be useful in predicting or modeling the response variable (x1, x2) What kind of variable is a response variable and why? - ANS random, because it varies with changes in the predictor/s along with other random changes. What kind of variable is a predicting variable and why? - ...

Pie chart numerical measure: percentages best used When displaying categories as parts of the whole Bar chart (bar graph) Category counts or frequencies best used when displaying counts or frequencies for each category individually Dot Plot 5-number summary (max, Q1, median, Q3, max) Smaller data set; useful to display the distribution and show gaps and outliers (quantitative) Stem Plot (stem-and-leaf plot) 5-number summary (max, Q1, median, Q3, max) Smaller data sets; useful to disp...

CWP Test Questions With 100% Correct Answers Latest Updated 2024/2025 (Graded A+) f the SSmodel is greater than the SSresidual... - answer-the model accounts for more than 50% of the total variance What is the coefficient of determination? - answer-The proportion of variance accounted for in the dependent variable by the predictor variables. What is the relationship between r and beta in a simple regression? - answer-beta is an unstandardised measure of r What is the critical value for t w...

CWP Test Questions With 100% Correct Answers Latest Updated | Graded A+. I am using x to predict y. When I know the value of x, the mean-squared-error of my estimate of y is less than when I don't know x. - answer-x explains some of the variance in y If the SSmodel is greater than the SSresidual... - answer-the model accounts for more than 50% of the total variance What is the coefficient of determination? - answer-The proportion of variance accounted for in the dependent variable by the...