ช่วยตรวจคำตอบให้หน่อยค่ะ ว่าถูกบ้างไหม

HW Example 45 Given that the function f(x) = x + 6x - 10. Find 1) Write the equation in standard form y = a(x - h) +k and draw a graph. 9 = x +6x - 10 y(kพ 1,6ะ6,C = 11 ** 1>0 0 ะ h= -b - - (6) The graph is Upwore = (-3 >X (h) 24 2() k = 4at -65 *3 4()(1) - (6) 40 2 ะ 4- 36 ะ 2) Is the vertex of graph a minimum or maximum point? The minimum point is (-3, 2) 3) What is the equation of symmetric axis? 4) What is the minimum value of y? The minimum value is 2 X = - 3 Example 46 Given that the function f(x) = - x + 8x - 5. Find h) + k and draw a graph. 1) Write the equation in standard form y = a(x -1 y = ax+bxte y= - 448x - 5 Qะ -115ะ,c = -5 9(k) 11 hะ -6 -(-8) x(h) = = -4 24 2(-1) -2 k = 4ad -6 4(-1)(-5)-() -44 ะ +a = 11 +(ฯ) -4 -4(-5) - (64) 2) Is the vertex of graph a minimum or maximum point? The maximum point is (-4 911) 3) What is the equation of symmetric axis? 4) What is the minimum value of y? = -4 = 11

ช่วยตรวจดูให้หน่อยค่ะ ว่ามีตรงไหนผิดไหม

1. First Mary will call. Then I will ask about the test. (When) When Mary calls ป will ask abou่ the test. 2. First she will finish the interview. Then she will leave her office. (After) Afer she finishes the interview, she will leave_her office. 3. First she will go to the store. Then she will buy her mother's birthday present. (When) When she goes to fthe slore, She will buy her mohers birihday_present. 4. First I will clean the living room. Then our guests will arrive. (Before) 1 will clean the living room before Our guests arive. 5. First I will finish my homework. Then I will go for a run. (After) Afterl finishes my homework will go for a run . 6. First I will send this email. Then I will help you. (As soon as) 1 will help_you as soon os I send this email. 7. First I will show the website. Then I will leave. (Before) I will show the websie before leave. 8. First you will get home. Then I will start cooking. (When) When you gd home ป will slart cooking- 9. First we will go to the beach. Then the children will swim. (As soon as) As soon as we goes to the beach, the children will swim. 10. First the students will finish their final exams. Then will relax. (After) Afler the students finishes their final exams ,they will relax.

ช่วยหน่อยครับ

O Example Construct a stem and leaf plot for the Mathematics score of 20 students as follows: 39 44 34 33 46 41 48 35 18 32 45 27 29 39 30 34 25 38 19 46 Stem Leaf 1 8, 9 5, 7, 9 0, 2, 3, 4, 4, 5, 8, 9, 9 1, 4, 5, 6, 6, 8, 2 3 4

ช่วยหน่อยครับ

o Example 2 A box containing oranges was examined and each orange was weighed. Their masses in grams were as follows: 104 117 105 113 128 a) Construct a stem and leaf plot. 127 108 139 135 111 b) Calculate the percentage of oranges which had masses of at least 120 g. 134 99 125 122 135 98 104 132 138 124 106 114 133 123 122

มีใครพอจะสรุปเรื่องลำดับเลข เลขาคณิตจะได้ไหม ของม.6 ใช้สอบวันพฤหัสนี้แล้ววTT

จะสอบ Final เเล้วยังไม่พร้อมเลย... ใครมีเเนวข้อสอบเวกเตอร์กับ จำนวนเชิงซ้อนขอหน่อย...