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1. algebra 2

   a quadratic equation can be written in vertex form or in standard form. sometimes one form is more beneficial than the other. identify which form would be more helpful if you needed to do each task listed below and explain why. a.

2. Math

   1. Find the slope of the line that passes through the points (-1, 2), (0, 5). 2. Suppose y varies directly with x, and y = 15 and x = 5. Write a direct variation equation that relates x and y. What is the value of y when x = 9? 3.

3. chemistry

   The Rydberg equation (1/lambda=R/ni^2–R/nf^2) can be treated as a line equation. What is the value of nf as a function of the slope (m) and y-intercept(b)? by GC 1/lambda = R/ni^2–R/nf^2 y = mx + b (standard form) of a linear

4. algebra

   PLEASE HELP!! 3) When converting a system of linear equations into an augmented matrix, what equation form is needed? Slope-intercept form negative form graph form standard form 4) what does the vertical line in an augmented

1. algebra

   Recall that the standard form of a linear equation is Ax+By=C. Rewrite this equation in slope-intercept form

2. Algebra

   in what form is the following linear equation written? 3x-2y=4 A.rise-run B.standard C.slope-intercept D.point-slope

3. algebra

   The standard form of a linear equation is Ax+By=C, where A and B are not both 0, and A is nonnegative. Explain why each equation is not written in standard form. Write the equation in standard form and identify the constants A, B,

4. Algebra

   2. Use an augmented matrix to solve the system. x + y = 5 3x – y = –1 (1 point) (1, 4) (1, 5) (3, –1)*** (5, –1) 3. When converting a system of linear equations into an augmented matrix, what equation form is needed? (1

1. MATH

   45. Express each equation in the specified form. a. y = (x – 3)² - 25 in standard form B. y = 2(x – 7)(x + 3) in standard form. C. y = - 2x² + 28x – 26 in factored form D. y = -9x² + 72x + 81 in vertex form

2. MATH

   Determine whether the equation defines y as a linear function of x. If so, write it in the form y = mx + b. 6x-9y^2+8=0 a. y=6x+8 b. y=6/9x-8 c. y=6x-8 d. y=6/9x+8 e. y isn't a linear function on x. Thank you.

3. Algebra 1

   1. How many solutions does the linear system have ? 3x - y = 4 -3x + 11y = 2 2. A line passes through the points (6,4) and (5,-3). What is the equation of the line in point-slope form ? a. x - 6 = 7(y-4) b. y - 4 = 7(x-6) c. y + 6

4. Algebra

   For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation. X Y 52 39 32 24 2o 15 8 6 Find the slope of the given lines: 2. (6, 5) & (9, 10) 3. (-2, -4) & (-2, -6) Write the

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