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Worksheetsគណិតវិទ្យាថ្នាក់ទី១០ (សមីការដឺក្រេទី២)
Total questions: 20
Worksheet time: 10mins
y²+16=0
y = ±4i
y = ±1
y = ±16
y = ±4
(y+3)²-9y²=0
y = 3/4, y = -3
y = 1
y = -3/4 ; y=3/2
y = -3/2 ;y=3/4
(x+5)²-25x²=0
x = -5/6, x = 5/4
x = 1
x = -5/6 ; x=5/3
x = -5/3 ;x=5/6
(y-5)²-25y²=0
y = 5/6, y = -5
y = -5/4 ; y=5/6
y = -5/6 ; y=5/3
y = -5/3 ;y=5/6
x²-25=0
x = 5 or x = -5
x = 1 or x = -1
x = 0 or x = -0
x = 2 or x = -2
(2x+1)²-4=0
x = -3/2 ;x=1/2
x = -1/2 or x = 2/2
x²+3x-2=0
-x²+3x+1=0
(x+3)²-(4x-1)²=0
x = -1/2 or x = 3/4
x = -3/2or x = 1/4
x = -2/5 or x = 4/3
x = 0 or x = 2
(x-5)²-25=0
x = 5 or x = -5
x = 1 or x = -1
x = 0 or x = 10
x = 2 or x = -2
2x²=0
(y-1)²-1=0
y = 1, y = -1
y = 2 ; y=0
y = -2
y = 0
(y-2)²-4y²=0
y = 2/3, y = -2
y =2/3;y=2
y = -2/3 ; y=2
y = 0 ;y=2
(x-2)²-(3x+1)²=0
x = -1/2 or x = 3/4
x = -3/2or x = 1/4
y²+9=0
y = ±3i
y = ±1
y = ±9
y = ±3
(y-3)²-9y²=0
y = 3/2, y = -3
y = 1
y = -3/2 ; y=3/4
y = 0
A student is solving a quadratic equation using the quadratic formula. They have correctly gotten to this point and need to simplify completely. What is the correct final answer?
2−1±32
2−1±6
2−1±18
2−1±36
Put the given equation in standard form. −3x2 +7x=−2x−8
−3x2+5x−8=0
−3x2 +9x+8=0
−3x2 +9x−8=0
−3x2+7x−10=0
Which is the correct quadratic formula?
a, b, and c for
the quadratic equation:
4x2 – 8x = 3
*remember right side should =0
