この2次関数のグラフの書き方がわかりません、 助けてください

138 次の2次関数のグラフをかけ。 また、 その軸と頂点を求めよ。 *(1) y=x2+2 (2) y=1/2x2-1 *(3) y=-2x²+1 教p.80 139 次の2次関数のグラフをかけ。 また, その軸と頂点を求めよ。 (1) y=(x-1)*(2) y=(x+3)2 教 p.81 *(3)v=-3(x-2)2

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次数と係数を教えてください

(2) x³ y²

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[12] x, yは実数とする。 次の条件の否定を述べよ。 (1)x>0かつく1 (2) x<0または">0

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170 It is necessary that you ( ) decide where to go first. I must 2 should 3 ought to 4 have to Try! It is essential that all the staff members (ii) present at the meeting. 1 be 2 are (3) were 4 been

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Section 17 後悔を表す 〈should have + 過去分詞> < |67 A: The train was delayed badly because of the heavy snow last night. B: You should (leave) for home before it started snowing. 語形変化 空欄1つに1語を入れること Try! 1. I haven't talked with Cathy for three days after I stepped on her foot. I (apologized/ have/her/to/should) right away. 168 2. Mary regrets keeping it a secret. She thinks she should ( friend the truth. ①have told ) her 2 is telling 3 is told 4to have told (金沢工業大 ) Ted says he couldn't finish the report by the deadline. He ( ) out with us last night. 1 must not go ③ shouldn't have gone Try! I ( 2 can't have gone 4 ought to not have gone ) the file because it was Mr. Jones' private one. I will have opened 2 having opened 4 would be opening that should ③ shouldn't have opened Section 18 169 Ralph never fails to come on time. It is strange that he ( late like this. 1 must 2 will 3 should Try! It is quite correct that Picasso ( O 1 does can It is necessary that you ( should 4 ought to ) be called a great artist. 4 may (**) ) be

古典のはなしで、ばの前の動詞はかならず、已然形ですか？

至急です。 正断層と逆断層の上盤と下盤の違い、見分け方を教えてください！

この27番の赤枠で囲ったところがよくわかりません、、 教えてほしいです🙇‍♀️

27 [四訂版クリアーⅠⅡAB受 Warm Up205] 解説 f (2) =2a+b+4, f(-4)=-4a + b + 16 f(2)=f(-4) から 2a+b+4=-4a + b + 16 よって a=72

赤線と青線がそれぞれ表しているものは何か教えて欲しいです！三角関数どの分数が何を表しているのか分からなくなることがほとんどで、、、覚え方とかあれば教えて欲しいです！

(1) 0≦2のとき, 次の方程式・不等式を解け。 (ア) (7) Cos (0-1)=1/12 π 4 [09 中部大] (4) sinė <- 1/2 不等式√2 cos (2x-10≦x≦xの範囲で解け。