Solve the following equation algebraically:

Mathematics

1 answer:

Likurg_2 [28]2 years ago

4 0

Answer:

c. $x = \pm 7$

Step-by-step explanation:

$2x^2 = 98$

$x^2 = 49$

$x = \pm\sqrt{49}$

$x = \pm 7$

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18) What value of x makes R(x) = 10

Illusion [34]

<h3>Two Answers: <u>x = 2 and x = 10</u></h3>

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Explanation:

Draw a horizontal line through 10 on the y axis. This is because R(x) = 10 is the same as y = 10. The output of the function is the y value.

See the diagram below.

The horizontal line crosses the parabola at two locations. From those points, draw a vertical line straight down to the x axis. Note how we land at x = 2 and x = 10. This means that R(2) = 10 and R(10) = 10.