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7.4 Solving Polynomial Equations (in factored form) Homework
By CHRISTOPHER HOWELL
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Last updated about 2 years ago
9 questions
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Note from the author:
Instructions
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Write all solutions from left to right, smallest to largest.
Write all solutions from left to right, smallest to largest.
Question 1
1.
Solve the equation:
−2v(v + 1) = 0
_______ & _______
Question 2
2.
Solve the equation:
(y + 2)(y − 6) = 0
_______ & _______
Question 3
3.
Solve the equation:
(4q + 3)(q + 2) = 0
_______ & _______
Question 4
4.
Solve the equation:
(5m + 4)^{2} = 0
_______
Question 5
5.
Solve the equation:
5p(2p − 3)( p + 7) = 0
_______ & _______ & _______
Question 6
6.
Find the x-intercepts of the graph.
_______ & _______
Question 7
7.
Factor the polynomial.
6d^{2} − 21d
_______
Question 8
8.
Solve the equation:
6m^{2}+ 12m = 0
_______ & _______
Question 9
9.
MODELING REAL LIFE
The Gateway Arch in St. Louis can be modeled by y = − \frac{2}{315}(x + 315)(x − 315), where \bold \large x and \bold \large y are measured in feet.
The x-axis represents the ground.
\bold{a)} Find the width of the arch at ground level.
_______ft
\bold{b)} How tall is the arch?
_______ft