Mathematics, 29.01.2020 04:01 andybiersack154
Question 1 what is the value of the coefficient "b" when the quadratic equation y = (3x − 5)(2x + 3) is written in standard form?
19
6
−15
−1
question 2 solve x2 − 4x = 12.
x = −3, x = 4
x = 3, x = −4
x = 6, x = −2
x = −6, x = 2
question 3 how many and of what type are the solutions of a quadratic equation when the value of the radicand is 25?
no real solutions
two identical rational solutions
two different rational solutions
two irrational solutions
question 4 what are the approximate solutions of 3x2 − 5x = 3 rounded to the nearest hundredth?
no real solutions
x ≈ −1.41 and x ≈ 6.41
x ≈ −0.47 and x ≈ 2.14
x ≈ −2.14 and x ≈ 0.47
question 5 how many and of what type are the solutions to x2 + 9x + 10 = 0?
no real solutions
two identical rational solutions
two different rational solutions
two irrational solutions
Answers: 2
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Question 1 what is the value of the coefficient "b" when the quadratic equation y = (3x − 5)(2x + 3)...
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