A line in the standard (x, y) coordinate plane contains the points (5, 9) and (8, 3). What is the x-intercept of this line?
Let x = 2y + 3z - 5. What happens to the value of x if the value of y decreases by 1 and the value of z increases by 2?
（A）It decreases by 2 （B） It is unchanged （C） It increases by 1 （D） It increases by 2 （E） It increases by 4
Correct Answer: E
What is the value of 4v(w2– 3vw) given that v= –1 and w= 4
(F) –84(G) –92(H) –98(J) –104(K) –112
Correct Answer: K
The hypotenuse of right triangle ABC shown below is 16 inches long. The sine of angle A is . About how many inches long is ?
（A）8.0 （B） 9.6 （C） 12.4 （D） 14.3 （E） 15.6
Correct Answer: B
More ACT Math Exam Questions
The slope of a line in the standard (x,y) coordinate plane is 4. What is the slope of a line perpendicular to that line?
- 2If a is a factor of 32 and b is a factor of 45, the product of a and b could NOT be which of the following?
- 3In regular hexagon ABCDEF, CD = 12 cm. What is the length of in cm?
- 4What is the perimeter of a square with an area of 49?
- 5The volume of a cone is given by the formula V = R2h, where R is the radius of the base of the cone and h is the height of the cone. What is the volume, in cubic centimeters, of a cone with a height of 8 cm that has a base with a radius of 3 cm?