Test: Quadratic Functions III - Normal

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Question 1:   Write the equation   2x1 2 = x1 x+1   in a standard form   x 2 +bx+c=0
x 2 4 3 x+2=0
x 2 4x+2=0
x 2 4 3 x+ 2 3 =0
x 2 8 3 x+ 2 3 =0
Question 2:   Are   x=4,x=8   square roots of the quadratic equation   x 2 3x4=0
x=4,х8
x4,х=8
x4,х8
x=4,х=8
Question 3:   Solve the equation   7 x 2 63=0
x=±3
x=0,x=3
x=0,x=3
x=±7
Question 4:   Solve the equation   x 2 +5x=0
x=0,x=5
x=0
x=0,x=5
x=±5
Question 5:   Solve the equation   x 2 +5x4=0
x=3,x=5
x=3,x=5
x 1,2 = 5± 13 2
x 1,2 = 5± 13 2
Question 6:   Which of the graphs represents the equation   y= x 2








Question 7:   Find a square root of a quadratic equation based on a graph

x=1,x=0
x 1,2 =±2
x=0,x=2
x=1,x=2
Question 8:   Find a square root of a quadratic equation based on a graph

х=4
x 1,2 =±2
х=2
х=0
Question 9:   Find a square root of a quadratic equation based on a graph

x=3,x=5
x=3,x=0
x=3,x=5
x=3,x=5
Question 10:   Solve the equation   3 x 2 7x+10=0
The equation has no solution.
x 1,2 =± 7 3
x=3,x=4
x= 7 3 ,x= 10 3