Quadratic equation - Study guides, Class notes & Summaries

CHEM 210 Exam 1 Review 2024 With Questions And Answers - Portage Learning. What is a BL acid? BL base? - Answer Acid is a proton donor while a base is proton acceptor List the 6 strong acids - Answer HClO4, HCl, HBr, HI, HNO3, H2SO4 List the 6 strong bases - Answer LiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 What is the eq. for the dissociation of a weak acid? - Answer HA <=> H+ + AKa = ([H+][A-])/[HA] What is the eq. for base hydrolysis? - Answer B + H2O <=> BH+ + OHKb = ([BH+]...

Question 1 Correct 4.16 points out of 4.16 Use the point-slope formula to write an equation of the line with the given slope that passes through the given point. Write your answer in slope-intercept form. slope = 12; through (– 1, 4) Select one: A. y = 12x + 16 B. y = −3x + 12 C. y = 12x + 4 D. y = 12x − 1 Question 2 Correct 4.17 points out of 4.17 Fill in the blank. The point (−6, 1) is in the quadrant. Select one: A. fourth B. third C. first D. second Straighterl...

Find the mean,median,mode,and range of the following set of numbers:10,11,11,12,13,14,17,18,20 correct answersMean:14,Median:13,Mode:11,Range:10 Penny went four a mile run as shown by the graph below. (The Y-axis for the graph is time in minutes,while the X axis is distance in miles) Victor ran a different route than Penny. He ran 10 miles in 1 1/2 hours. Who ran at faster speed? correct answersVictor Jack has twelve dollars in his pocket on Monday,three dollars on Tuesday,ten dollars on W...

Stats Exam 78%Latest Update 2024. The data in the table represent the height of an object over time. Which model best represents the data? quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases - CORRECT ANSWER qua...

SDSU MATH PLACEMENT ASSESSMENT FORMULAS WITH COMPLETE SOLUTIONS 100% 2023/2024 vertex -b/2a domain and range (-∞ ,∞) and brackets for numbers for sure or equal to [ , ] parentheses for < or > or infinity end behavior odd: different- positive: falls left, rises right; negative: rises left, falls right even: same- positive: rises x2; negative: falls x2 polynomial division answer+ (remainder/divison) quadratic formula -b±[√b²-4ac]/2a Vertical asympt...

MSM PRAXIS QUESTIONS AND ANSWERS ALREADY PASSED Andre has driven 98 miles, which is 35% of the total distance he must drive on his trip. How many more miles does Andre have to drive on his trip? Answer the question by selecting the correct response. A. 34 B. 182 C. 280 D. 378 Option (B) is correct. IMAGE Elizabeth owns x books. Kierra owns 5 more books than Elizabeth and 8 fewer than Ana. Which of the following expressions represents the total number of books the three girls own? A...

Chapter 0 Topics mentioned in Chapter 0 that these flash cards do not cover: - Answer- - graphing inequalities - piecewise functions - one to one functions - limits and continuity - basic rules of differentiation - basic integration - method of substitution Chapter 0 For any two sets A and B, (A∩B)∪(A∩B') = - Answer- A Chapter 0 Two sets A and B are disjoint if A∩B = - Answer- ∅ Chapter 0 n(S) is defined to be - Answer- the number of elements in a set Chapte...

4 Correct Answer Evaluate. (-8)^(2/3) 1/4 Correct Answer Evaluate. (-8)^(-2/3) 2/3 Correct Answer Evaluate. (9/4)^(-1/2) x = 6 Correct Answer Find x. 7⁸ ÷ 7ˣ = 49 x = 6 Correct Answer Find x. (6⁵ × 6ˣ) ÷ 36 = 6⁹ x = 9 Correct Answer Find x. (5⁷ × 5⁴) ÷ 5ˣ = 25 20 Correct Answer Evaluate (2√5)² x = -7 or 5 Correct Answer Solve the quadratic equation by factorisation x² + 2x - 35 = 0 x = 0 or 4 Correct Answer Solve the quadratic equation by fact...

Question 1 Correct 6.25 points out of 6.25 Question 2 Correct 6.25 points out of 6.25 Multiply the polynomials by using the distributive property. Select one: a. b. c. d. Factor completely. Select one: a. b. c. d. (8t7u3)(3t4u5) 24t3u−2 11t11u8 24t11u8 24t28u15 9x4 + 21x3 − 9x2 − 21x −3x(3x + 7)(x + 1)(x − 1) 3x(3x + 7)(x + 1)(x − 1) 3x(3x − 7)(x + 1)(x − 1) 3x(3x + 7)(x + 1)2 Straighterline MAT201 PRECALCULUS GRADED EXAM 1 (New Version August 2024) ...

URI MATH PLACEMENT EXAM WITH COMPLETE SOLUTIONS 100% 2023/2024 Absolute value How far away a number is from zero -whatever the answer is, but positive Absolute value brackets in equation -take out brackets -turn into two equations; one positive answer, one negative -solve for x for both equations -two answers Adding fractions -find least common denominator -multiply each numerator by however much it's denominator was multiplied -add new numerators, keep denominator -SIMPLIF...