Equations Worksheet With Answers
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68. The range of a relation is the range of its inverse
function.
ANSWER:
Study Guide and Review - Chapter 4
false, domain
State whether each sentence is true or false . If
9. An equation of the form y = mx + b is in point-slope
form.
false , replace the underlined term to make a
true sentence.
ANSWER:
1. The y-intercept is the y-coordinate of the point where
false, slope-intercept form
the graph crosses the y-axis.
Write an equation of a line in slope-intercept
ANSWER:
form with the given slope and y-intercept. Then
true
graph the equation.
10. slope: 3, y-intercept: 5
2. The process of using a linear equation to make
ANSWER:
predictions about values that are beyond the range of
the data is called linear regression.
y = 3x + 5
ANSWER:
false, linear extrapolation
3. An inverse relation is the set of ordered pairs
obtained by exchanging the x-coordinates with the y-
coordinates of each ordered pair of a relation.
ANSWER:
true
4. The correlation coefficient describes whether the
correlation between the variables is positive or
negative and how closely the regression equation is
11. slope:−2, y-intercept: −9
modeling the data.
ANSWER:
ANSWER:
y = −2x − 9
true
5. Lines in the same plane that do not intersect are
called parallel lines.
ANSWER:
true
6. Lines that intersect at acute angles are called
perpendicular lines.
ANSWER:
false, right
12. slope:
, y-intercept: 3
7. A(n) constant function can generate ordered pairs
for an inverse relation.
ANSWER:
ANSWER:
y =
x + 3
false, inverse function
8. The range of a relation is the range of its inverse
function.
ANSWER:
false, domain
9. An equation of the form y = mx + b is in point-slope
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ANSWER:
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