Slope intercept form - Study guides, Class notes & Summaries

Accuplacer math placement Test 34 Questions with Verified Answers How to divide fractions - CORRECT ANSWER Multiply by the recipricol of the second fraction (ex. 3/4 5/7 is rewritten as 3/4 x 7/5) How to add or subtract decimals - CORRECT ANSWER 1. line up the decimals 2. fill in spaces with zeros 3. bring decimal STRAIGHT DOWN 4. Add using correct place value How to divide decimals - CORRECT ANSWER • If number you're dividing by is a decimal, then divide as usual and bring decimal ...

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...

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 ...

slope-intercept form - ANSWERy = mx + b slope formula - ANSWERm = (y₂- y₁) / (x₂- x₁) point slope form - ANSWERy - y₁ = m(x - x₁) standard form - ANSWERAx + By = C

Accuplacer-Math Terms Define - "ordered pairs" = (x, y) = a single point on a coordinate plane Define - "origin" = (0,0) = the point where two axes meet Explain - "quadrants" = when the two axes (x and y) cross they form 4 quadrants Explain what - "the distance" means Define - "distance formula" for a line(s) = "distance" - the length between two points on a plane - (x1, y1), (x2, y2) * does not have to be forming a line *distance is ALWAYS positive = (Dis...

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...

Geometry b - unit 1: coordinate geometry: slope and midpoints lessons 1-5 graded A lesson 1 slope and parallel lines examine the following lines and answer the question. given that line a is parallel to line b and the slope of line a is 2, what is the slope of line b? 2 line l contains the points a(-2, 2) and b(-1, 0), and line k contains the points c(0, 4) and d(1, 2) are lines l and k, parallel? justify your response. yes, both lines have a slope of -2, so they are parallel. use the diagra...

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 | 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...

Praxis II - 5155 Math/Science Latest 2024 Graded A+ Quadratic Formula Simplified Form: x= [-b ± √(b2 - 4ac)] / (2a) Standard Form: ax2+bx+c=0 Distance Formula d = √[( x2 - x1) + (y2 - y1)] Also known as d=rt (distance = rate times time) Midpoint Formula (x,y)= (x1+x2)/2, (y1+y2)/2 Slope Form m= (y-y)/(x-x) Slope-Intercept Form of the Line y = mx + b General Linear Form of the Line Ax+By=C Also known as the "Standard Form of the Line" Point-Slope Form of the Li...