國中 解答

已知1 , b , 36三數成等比數列,求b的值。

一等差數列 a1 , a2 , ... , a100,已知 a99-a85<0,那麼下列哪一個選項是正確的?

從數列 1 , 2 , 3 , 4 , 5 , ...... , 100 中,刪去 2 的倍數,得到一個新的數列。有關這個新數列的敘述,下列何者正確?

一元二次方程式x2-8x=48可表示成 ( x-a )2=48+b的形式,其中a、b為整數。求a+b之值為何?(106年會考)

甲、乙兩數皆為整數,且乙數為甲數的2倍多3,若甲、乙兩數的乘積為44,求甲+乙=?

計算x2-4x-3=0的判別式,並判斷其解的情形

解一元二次方程式 ( x+4 )2=2,求x=?

若12x2-x-6可以被因式分解成( 4x-3 ) ( ax+b ),則a+b的值為何?

若想在等差數列 1 , 2 , 3 , 4 , 5 中插入一些數,使得新的數列也是等差數列,且新的數列的首項仍是 1, 末項仍是 5, 則新的數列的項數可能為下列何者?(112年會考)

坐標平面上,一次函數 y=-2x-6 的圖形通過下列哪一個點?(112年會考)

有一個等差級數,公差為3,今將此級數的每一項都乘以4,可得一個新的等差級數,則此新的等差級數公差為何?

Tom and I were busy yesterday, we the windows together.

There’s some juice on the floor, please it now.

We usually the clothes under the sunshine(陽光).

Cindy, your hair after you take a bath, or(否則)you may catch a cold easily(容易地).

The floor is not clean enough. Cindy, please it again right now.

In summer, Tony usually goes on the sea.

The closes at 5:30 p.m. You must send the package(包裹)before that time.

We’re . We don’t know where we are.

The first floor in Taiwan is the floor in the UK.

Could you buy some cold drinks at the ?

There is a park our school.

How about taking a walk the river bank?

Class, you all passed(通過)the test(考試). You did a job!