Answer:
A: The x-intercept of k(x) is half the x-intercept of h(x)
Step-by-step explanation:
Answer choices B, C, and D are concerned with slopes and y-intercepts. The coefficients of x in the functions are different and are related by a factor of -2, so the lines are not parallel, and one slope is not twice the other. The y-intercepts (constants) in each function are different, so they graphs do not cross the y-axis at the same place.
Hence answer choices B, C, and D can be eliminated.
The x-intercepts are found by setting y=0 and solving for x:
h(x) = 0 = -2x +4 ⇒ x = 4/2 = 2
k(x) = 0 = 4x -4 ⇒ x = 4/4 = 1
The x-intercept of k(x) is half that of h(x). . . . . . . matches choice A
Answer:
(-2 , -7)
(-1 , -3)
(0 , 1)
(1 , 5)
Step-by-step explanation:
You are given a function<em> y = 4x + 1</em>. If you want to find the y values, just plug in the x values wherever there is x and you should get the corresponding y values.
<h2>
The x values and their corresponding y values are:</h2>
<em>(-2 , -7)</em>
<em>(-1 , -3</em><em>)</em>
<em>(0 , 1)</em>
<em>(1 , 5)</em>
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Answer:
18x+27y
Step-by-step explanation:
Answer:
The roots of the equation are x=-3 and x=-2.5
Step-by-step explanation:
<u><em>The correct quadratic equation is</em></u>
2x^2+11x+15=0
we know that
The formula to solve a quadratic equation of the form
is equal to
in this problem we have
so
substitute in the formula
therefore
The roots of the equation are x=-3 and x=-2.5
